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| Calcare | Kalkstein (m)  | Limestone | Calcaire (m)  | Piedra caliza (f)  |  | 
| Calce rapida (f) / Ossido di calcio (m)  | Calciumoxid (nt) / gebrannter Kalk (m) / Branntkalk (m) / ungelöschter Kalk (m)  | Calcium oxide  / Quick lime  | Chaux vive (f) / Oxyde de calcium (m)  | Cal viva (f) / Cal rápida (f) / óxido cálcico (m)  |  | 
| Calcestruzzo cellulare | Gasbeton (m) / Porenbeton (m)  | Gas concrete / Porous concrete / Aerated concrete / Cellular concrete  | Béton cellulaire (m) / Béton poreux (m) | Hormigón celular (m) / Hormigón poroso (m) / Concreto poroso (m) |  | 
| Calcestruzzo leggero | Leichtbeton (m) / Ärmedämmbeton (m) / Dämmbeton (m) / Isolationsbeton (m)  | Lightweight concrete / Light concrete / Aerated concrete / Gas concrete  | Béton léger (m) / Béton cellulaire (m) / Béton allégé (m)  | Hormigón ligero (m) / Hormigón aligerado (m)  | Betão celular (m) / Concreto leve (m)  | 
| Calcestruzzo magro (m) | Magerbeton (m) | Lean concrete / Poor concrete | Béton maigre (m) | Hormigón pobre (m)  | Betão leve (m)  | 
| Calcio (m)  | Calcium (nt)  | Calcium  | Calcium (m)  | Calcio (m)  |  | 
| Calcite (f)  | Kalkspat (m) / Calcit (m) / Kalzit (m) | Calcspar / Calcite | Calcite (f) | Calcita (f) |  | 
| Calco (m) | Abguss (m)  | Cast/Replica | Moulage (m)  | Vaciado (m)  |  | 
| Caldaie di riscaldamento | Heizkessel (m) | Boiler / Heating boiler | Chaudière (f)  | Caldera (f) / Caldera de calefacción (f) |  | 
| Cambio (m)  | Kambium (nt) / Kambiumring (m)  | Cambium | Cambium (m)  | Cambium (m)  |  | 
| Camera (f) / Sezione | Kammer (f)  | Chamber / Compartment | Chambre (f)  | Cámara (f) / Recámara (f)  |  | 
| Caminetto / Ciminiera  | Kamin (m)  | Chimney / Fireplace | Cheminée (f) | Chimenea (f) / Tiro de la chimenea (m)  |  | 
| Campana | Glockenkammer (f)  | Bell chamber | Chambre de cloche (f) | Cámara acorazada (f) |  | 
| Campionario | Muster (nt)  | Sample / Pattern / Model / Design | Modèle (m) / Schéma (m)  | Patrón (m) / Modelo (m) / Muestra (f) / Estampado (m)  | Padrão (m) / Amostra (f) / Modelo (m)  | 
| Campo finestra | Fensterfeld (nt) | Window panel | Champ fenêtré (m) | Campo ventana (m) |  | 
| Cannello (m)  | Blastzapfen (m ) | Blastpin | Sarbacane (f)  | Cerbatana (f)  |  | 
| Cantoria (f) / Ballatoio | Empore (f) | Gallery | Galerie (f) / Tribune (f)  | Galeria (f) / Tribuna (f) |  | 
| Capillare | Kapillare (f) | Capillary / Capillary tube | Capillaire (m) / Tube capillaire (m)  | Capilar (m) / Tubo capilar (m)  |  | 
| Capitello (m)  | Kapitell (nt)  | Capital | Chapiteau (m)  | Capitel (m) |  | 
| Cappella (f)  | Kapelle (f)  | Chapel | Chappelle (f)  | Capilla (f) / Ermita (f) / Templo (m)  |  | 
| Cappello camino (m)  | Kaminhut  | Chimney cover / Chimney cap | Chapeau de cheminée (m) | Sombrero da chimenea (m) |  | 
| Cappello da camino | Cheminéehut (m) | Fireplace cap | Chapeau de cheminée (m) | Sombrero para chimenea (m) |  | 
| Cappello tubo di scarico / Cappa aspirante | Dunstrohrhut (m) / Dunstrohrhaube (f) | Exhaust pipe cap / Extractor hood | Chapeau de tuyau d'échappement (m) / Hotte aspirante (f) | Tapa del tubo de escape (f) / Campana extractora (f) |  | 
| Cappuccio ad arco / Copertura a cupola | Gewölbekappe (f) / Domdeckel (m) | Dome cover / Arch cap | Capuchon arqué (m) / Couvercle du dôme (m) | Tapa abovedada (f) |  | 
| Carbonado (m)  | Carbonado (m)  | Carbonado / Black diamond | Carbonado (m) | Carbonado (m) |  | 
| Carbone di legna (m) / Carbone (m)  | Holzkohle (f) | Charcoal  | Charbon (m) / Charbon de bois (m) / Fusain (m) | Carbón (m) / Carbón vegetal (m) / Carbón de leña (m) / Carbón de madera (m)  |  | 
| Carica (f)  | Füllstoff (m)  | Extender / Filler  | Remplissage (m) / Charge (f)  | Carga (f) / Relleno (m)  |  | 
| Carlino (m) / Pietra del principiante (f)  | Kämpferstein (m) / Anfängerstein (m)  | Starting stone / Capstone | Carlin (m) / Pierre du débutant (f)  | Piedra de doguillo (f)  |  | 
| Cartongesso | Gipskarton (m) | Plasterboard / Gypsum plasterboard  | Plâtre (m) / Plaque de plâtre (f) | Yeso (m) / Cartón yeso (m) / Placa de yeso (f)  |  | 
| Casa a graticcio (f) | Fachwerkhaus (nt) | Half-timbered house  | Maison à colombage (f) | Casa de entramado (f)  |  | 
| Cassaforma per solai | Deckenschalung (f) | ceiling boarding / formwork / shuttering / ceiling formwork | Coffrage de dalle (m)  | Encofrado de losas (m)  |  | 
| Castagno (m)  | Kastanie (f)  | Chestnut / Horse chestnut / Conker  | Châtaigne (f) / Châtaignier (m) / Marronnier (m)  | Castaño (m) / Castaña (f)  |  | 
| Catenella (f) / Catena (f)  | Kette (f)  | Chain | Chaîne (f)  | Cadena (f) |  | 
| Cavalletto ad angolo con attacco a soglia (m)  | Eckständer mit Schwellenanschluss (m)  | Corner support with threshold connection | Pied d'angle avec raccord de seuil (m)  | Soporte de esquina con conexión de umbral (m)  |  | 
| Cavalletto ad angolo con lama flottante (m)  | Eckständer mit Schwebeblatt (m)  | Corner support with suspended blade | Support d'angle avec lame flottante (m)  | Soporte para esquinas con cuchilla flotante (m)  |  | 
| Caveau | Gewölbe (nt)  | Vault / Arch / Dome | Voûte (f) | Bóveda (f) |  | 
| Cavi patch | Flickzapfen (m) | Filler peg | Cordons de brassage (m.pl)  | Cordones de conexión (m.pl) |  | 
| Cavità (f) | Hohlraum (m)  | Cavity | Cavet (m)  | Cavidad (f)  |  | 
| Cavità (f) | Aushöhlung (f)  | Cavity / Hollow / Erosion  | Cavité (f) | Oquedad (f)  |  | 
| Cellulosa (f)  | Cellulose (f) | Cellulose | Cellulose (f)  | Celulosa (f)  |  | 
| Cemento (m)  | Beton (m)  | Concrete  | Béton (m)  | Concreto (m)  |  | 
| Cemento a presa rapida (m)  | Gussbeton (m) / gegossener Beton (m) | Cast concrete  | Béton moulé (m) / Béton coulé (m) | Concreto vaciado (m) / Hormigón (m) |  | 
| Cemento legno (m) / Stucco di legno (m)  | Holzkitt (m) | Wood cement / Wood putty / Wood filler  | Bois-ciment (m) / Pâte à bois (f)  | Cemento de madera (m) / Masilla para madera (f)  |  | 
| Cemento-amianto (m) | Asbestzement (m) | Asbestos cement | Amiante-ciment (m) | Cemento de amianto (m) |  | 
| Cenere (f)  | Asche (f)  | Ash(es) (pl.)  | Cendre(s) (f.pl)  | Ceniza (f)  |  | 
| Cenere (f) / Frassino (m) | Esche (f)  | Ash | Frêne (m) | Fresno (m) |  | 
| Cera d'api (f)  | Bienenwachs (nt)  | Beeswax | Cire d'abeille (f)  | Cera de abeja (f)  |  | 
| Cerchio | Kreis (m)  | Circle | Cercle (m) | Círculo (m) |  | 
| Cerniera | Scharnier | hinge | Charnière | charnela |  | 
| Cerniera (f)  | Kloben (m) | Bracket / Clamp / Hinge | Charnière (f) | Bisagra (f) |  | 
| Cerniera della finestra | Fensterband (f)  | Window ribbon / band | Charnière de fenêtre (f)  | Bisagra de ventana (f)  |  | 
| Cerniera di montaggio | Fischband (nt) / Fitschenband (nt)  | Fitting hinge | Charnière de fixation (f)  | Bisagra de ajuste (f)  |  | 
| Certificato di autenticità (m)  | Echtheitszertifikat (nt)  | Certificate of authenticity  | Certificat d'authenticité (m)  | Certificado de autenticidad (m)  |  | 
| Cesello (m) / Scalpello (m)  | Meissel (m)  | Chisel  | Burin (m) / Ciseau (m)  | Cincel (m)  | Cinzel (m) / Talhadeira (f) / Formão (m)  | 
| Chiaroscuro (m)  | Helldunkel (nt) / Chiaroscuro  | Chiaroscuro  | Clair-obscure (m)  | Claro oscuro (m)  |  | 
| Chiave di volta (f)  | Schlussstein (m) / Gewölbestein (m) / Scheitelstein (m) | Keystone / Capstone | Clef de voûte (f) | Dovela (f) / Clave (f) |  | 
| Chiavistello  | Riegel (m)  | Latch / Bar / Bolt  | Loquet (m)  | Pestillo (m)  |  | 
| Chiesa (f)  | Kirche (f) / Kirchengebäude (f)  | Church  | Église (f)  | Iglesia (f) / Templo (m)  |  | 
| Chiodo di legno (m)  | Holznagel (m)  | Wooden nail  | Cheville en bois (f) / Clou en bois (m)  | Clavo de madera (m)  |  | 
| Chiostro (m)  | Kreuzgang (m)  | Cloister | Cloître (m)  | Claustro (m)  |  | 
| Cifra capitale | Figurenkapitell (nt) | Ancient Egyptian bell-capital | Capital chiffré (m) | Capital de figura (f) |  | 
| Ciliegio (m) / Ciliegina (f)  | Kirschbaum (m)  | Cherry tree | Bois de cerisier (m) / Cerise (f) / Cerisier (m)  | Cerezo (m) / Madera de cerezo (f)  |  | 
| Cinabro di antimonio (m)  | Antimonzinnober (nt)  | Antimony cinnabar  | Cinabre d'antimoine (m)  | Cinabrio de antimonio (m)  |  | 
| Classicismo (m) / Neoclassicismo (m)  | Klassizismus (m) / Neoklassizismus (m)  | Classicism / Neoclassicism | Classicisme (m) / Néoclassicisme (m)  | Classicisme (m) / Néoclassicisme (m)  |  | 
| Climatizzazione / Aria condizionata (f)  | Klimaanlage (f)  | Air-conditioning / Air-conditioning unit / AC / AC system | Climatisation (f) / Climatiseur (m)  | Aire acondicionado (m) / Sistema de climatización (m) |  | 
| Cloro (m)  | Chlor (nt) | Chlorine  | Chlore (m)  | Cloro (m)  |  | 
| Clorofluorocarburo (m)  | FCKW - Fluorkohlenwasserstoff (m)  | CFC - Chlorofluorocarbon | Cholofluorocarbone (m)  | TFC - Tetrafluorocarburos (m.pl)  |  | 
| Coefficiente di espansione (m)  | Ausdehnungskoeffizient (m)  | Coefficient of expansion | Coefficient de dilatation (m)  | Coeficiente de dilatación (m) |  | 
| Colata (f) / Diluvio (m)  | Guss (m)  | Cast | Coulée (f) / Fonte (f) / Fonderie (f) | Fundición (f) / Molde (m) |  | 
| Colla a dispersione (f)  | Dispersionsleim (m) / Dispersionsklebstoffe (pl) | Dispersion glue | Colle à dispersion (f)  | Pegamento de dispersión (m)  |  | 
| Colla d'amido (f) / Pasta per carta da parati (f)  | Kleister (m) / Tapetenkleister (m) | Paste / Wallpaper paste  | Colle d'amidon (f) / Pâte à papier peint (f)  | Engrudo (m) / Pasta para papel tapiz (f)  |  | 
| Collante  | Leim (m)  | Glue / Paste / Size | Colle (f)  | Pegamento (m) | Cola (f) / Colagem (f)  | 
| Collare fascio (m)  | Kehlbalken (m) | Collar beam  | Poutre de col (f)  | Viga del collar (f)  |  | 
| Collegamento dentellato (m)  | Kamm (m) / Kamm Verbindung (f)  | Notched joint | Raccordement dentelé (m)  | Conexión dentada (f) / Conexión de peine (f)  |  | 
| Collegamento lungo (m)  | Langsverbindung (f)  | Long connection / Longitudinal connection  | Longue connexion (f)  | Larga conexión (f)  |  | 
| Collo con perno (m)  | Aufhalsung mit Zapfen (f)  | Spigot joint with pin  | Col avec épingle (m)  | Cuello con alfiler (m)  |  | 
| Colmo (m) / Corona (f) (di mattoni) | Krone (vom Backstein) (f)  | Crown / Cap (of a brick)  | Couronne (en brique) (f)  | Corona (de ladrillo) (f)  |  | 
| Colmo (m) / Cresta  | First (m) / Dachfirst (m)  | Ridge / Roof ridge  | Faîte (m) | Caballete (m) / Cresta (f)  |  | 
| Colonna a muro  | Wandsäule (f)  | Wall column/pillar | Colonne murale  | Columna mural  |  | 
| Colonna pensile / Posti di sospensione | Hängesäule (f) / Hängepfosten (m)  | Hanging post / Suspension post / Hanging column | Colonne suspendue (f) / Postes de suspension (m)  | Columna colgante (f) / Postes de suspensión (m)  |  | 
| Colorante (m)  | Farbmittel (nt) / Farbstoff (m)  | Colourant / Dye  | Colorant (m)  | Colorante (m)  |  | 
| Colorante a dispersione (m)  | Dispersionsfarbe (f)  | Dispersion paint  | Peinture à dispersion (f)  | Pintura de dispersión (f)  |  | 
| Colore (m)  | Farbe (f)  | Colour (UK) / Color (US) | Couleur (m)  | Color (m)  |  | 
| Colore acrilico (m)  | Acrylfarbe (f)  | Acrylic paint | Peinture acrylique (f)  | Pinture acrílica (f)  |  | 
| Colore coprente (m)  | Deckfarbe (f)  | Coating paint  | Peinture couvrante (f) / Pardessus (m)  | Color cubriente (m)  |  | 
| Commercio (m) | Gewerk (nt) / Handwerk (nt)  | Trade / Tradework / Handwork | Métier (m) / Travail du commerce (m) | Trabajo comercial (m)  |  | 
| Compartimento (m) | Gefach (nt) | Compartment / Partition | Compartiment (m) | Compartimento (m) |  | 
| Compensato (m)  | Blindholz (nt)  | Construction wood  | Contreplaqué (m)  | Madera de baja calida que se usa ein lugares no visibles (f)  |  | 
| Composto aromatico (m) | Aromat (m)  | Aromatic compound | Composé aromatique (f) | Aroma (m) |  | 
| Compresse, solido | Brettchen (fest) (nt) | Slat / Small board, solid | Comprimé solide (m) | Comprimido sólido (m) |  | 
| Condensazione (f) /  | Kondensation (f)  | Condensation | Condensation (f)  | Condensación (f) / Condensado (m)  |  | 
| Confezione di pietrisco | Geröllkoffer (m) / Geröllpackung (f) | Pack of debris / Detrius / Gravel pack | Paquet de galets / d'éboulis | Paquete de rocalla  |  | 
| Confine  | Einfassung (f)  | Border / Edging / Mount | Lisière (f) | Borde (m) |  | 
| Conservazione della ciminiera (f) /  | Kaminverwahrung (f) / Kamineinfassung (f)  / Schornsteineinfassung (f)  | Chimney protection / Chimney edging | Protection de cheminée (f) / Entourage de cheminée (m)  | Conservación de chimeneas (f) / Entorno de chimenea (m)  |  | 
| Consolidarsi | Abbinden (v) | Set | Endurcer | Fraguar |  | 
| Consumare | Abtragen (v)  | Remove | Niveller | Quitar  |  | 
| Contrappeso (m) | Gegengewicht (nt)  | Counterweight / Counter balance | Contrepoids (m)  | Contrapeso (m) |  | 
| Controsoffitto composito legno-calcestruzzo / Costruzione composita legno-calcestruzzo (f) | Holzbetonverbunddecke (f) / Holz-Beton Verbundkonstruktion (f) | Wood-concrete composite slab / Wood-concrete composite construction  | Plafond composite bois-béton (m) / Construction composite bois-béton (f)  | Techo compuesto de hormigón y madera (m) / Construcción mixta de madera y hormigón (f) |  | 
| Convettore (m)  | Konvektor (m)  | Convector | Convecteur (m)  | Convector (m)  |  | 
| Coperchio (m) | Kappendecke (f) / Preussische Kappendecke (f) / kurz Preussische Kappe (f) / Berliner Gewölbe (nt) | Barrel ceiling / Cap ceiling | Couvercle du capuchon (m) | Tapa del capuchón (f)  |  | 
| Coperchio (m)  | Deckel (m)  | Lid  | Couvercle (m)  | Tapa (f)  |  | 
| Copertura (f) | Abdeckung (f)  | Capping, decking, covering | Couverture (f) | Recubrimiento (m) |  | 
| Copertura (f) | Abdeckung (f) | Cover | Couverture (f) | Recubrimiento (m) |  | 
| Copertura a doppia aggraffatura | Doppelfalzeindeckung (f) | Double seam roofing | Toiture à double couture (f) / Revêtement métallique  | Cubierta de doble costura (f) |  | 
| Copertura colorata (f)  | Farbüberzug (m)  | Paint coat | Film de couleur (m)  | Capa de color (f) |  | 
| Copri davanzale della finestra | Fensterbankabdeckung (f) | Window sill cover | Tablettes de fenêtres / Appui de fenêtre (m) | Tapa del alféizar de la ventana (f) |  | 
| Coprire | Abdecken (v) | Cover | Recouvrir | Cubrir |  | 
| Cordicella | Treppenwange (f) | Stair stringer / Stair frame / Stair cheek | Collier (m) | Ristra  |  | 
| Cordone di marcatura | Spickschnur (f) (CH) / Schlagschnur (f) (DE) / Markierschnur (f)  | Chalk line | Cordon de marquage (m)  | Cordón de medida (m)  |  | 
| Cornice | Zarge (f) / Türzarge (f) / Türfutter (m) / Türrahmen (nt) | Door frame  | Châssis (m) / Monture (f) | Armazón (m) |  | 
| Cornice | Gurtgesims (nt) | Cornice / Belt course / String course | Corniche (f)  | Cornisa (f) |  | 
| Cornice (f) / Cornicione (m) | Karnies (nt)  | Cornice moulding | Corniche (f) | Cornisa (f) |  | 
| Cornice del camino | Cheminéesims (nt) | Mantel / Mantelplace / Fireplace ledge | Corniche du foyer (f) | Cornisa de chimenea (f) |  | 
| Cornice della finestra / Bastone a croce | Fenstereinfassung (f) / Kreuzstock (m)  | Window bordering / Crossbar | Encadrement de fenêtre (m) / Bâton croisé | Marco de la ventana (m) / Palo cruzado (m) |  | 
| Cornice di legno (f) / Telai in legno | Holzrahmen (m)  | Wooden frame | Cadre en bois (m) / Armature en bois (f)  | Bastidor de madera (m) / Marco de madera (m)  |  | 
| Coro (m)  | Chor (m)  | Choir  | Chœur (m)  | Coro (m)  |  | 
| Corona dell'albero (f)  | Baumkrone (f)  | Treetop | Cime d'arbre (f)  | Copa del árbol (f)  |  | 
| Coronamento (m)  | Krönel (m)  | Coronel | Coronel | Coronel (m)  |  | 
| Corrimano (m) | Handlauf (m)  | Handrail | Main courante (f) | Pasamano (m) |  | 
| Corrosione (f)  | Korrosion (f)  | Corrosion  | Corrosion (f)  | Corrosión (f)  |  | 
| Corteccia (f) | Borke (f)  | Bark | Écorce (f) | Corteza (f) |  | 
| Corteccia (f)  | Baumrinde (f)  | Bark  | Écorce d'arbre (f)  | Corteza de árbol (f)  |  | 
| Cortile del castello | Burghof (m) | Castle courtyard / Bailey | Cour du château (f) | Patio del castillo |  | 
| Cortile del monastero | Klosterhof (m)  | Monastery courtyard | Cour du monastère (f)  | Patio del monasterio (m) |  | 
| Costruzione (f) | Konstruktion (f) / Baukonstruktion  | Construction / Design  | Construction (f) / Structure (f)  | Construcción (f) / Estructura (f)  |  | 
| Costruzione (f)  | Aufbau (m)  | Construction / Setup  | Composition (f)  | Construcción (f)  |  | 
| Costruzione a tassello (f)  | Dübelverbindung (f)  | Dowel joint  | Construction à cheville (f)  | Conexión por clavijas (f)  |  | 
| Costruzione in argilla (f)  | Lehmbau (m)  | Loam construction / Clay building | Construction en terre glaise (f)  | Construcción de arcilla (f)  | Construção em argila (f)  | 
| Costruzione solida (f)  | Massivbau (m) / Massivbauweise (f)  | Solid construction / Massive construction  | Construction massive (f)  | Sólida construcción (f) / Construcción sólida (f) / Masiva construcción (f) / Construcción masiva (f)  | Sólida edificação (f) / Construção sólida (f)  | 
| Cottone (m)  | Baumwolle (f)  | Cotton  | Coton (m)  | Algodón (m)  |  | 
| Criotilo (m) | Crysotil (f) / Weißasbest (m)  | Crysotile / White asbestos | Crysotile (m) | Crisótilo (m)  |  | 
| Cripta (f)  | Krypta (f) / Unterkirche (f)  | Crypt | Crypte (f)  | Cripta (f)  |  | 
| Cripta finestra (f)  | Kryptafenster (nt)  | Crypt window | Fenêtre de crypte (f)  | Ventana de la cripta (f)  |  | 
| Cromo (m)  | Chrom (nt)  | Chromium  | Chrome (m)  | Cromo (m)  |  | 
| Cubismo (m)  | Kubismus (m)  | Cubism  | Cubisme (m) | Cubismo (m)  |  | 
| Cucina del castello | Burg Küche (f)  | Castle Kitchen | Cuisine du château | Cocina del Castillo |  | 
| Cuneo di pietra (m)  | Keilstein (m) | Arch brick / Arch stone / Wedge stone | Cale en pierre (f) / Claveau (m) | Arco de ladrillo (m) / Dovela (piedra) (f)  |  | 
| Cuoio (m) / Pelle | Leder (nt) | Leather | Cuir (m) | Cuero (m) / Piel (f)  | Couro (m) / Cabedal (m) / Pele (f)  | 
| Cupola (f) / Calotta (f)  | Kuppel (f) / Dom (m) | Dome / Cupola / Cupola roof | Coupole (f)  | Cúpula (f) / Bóveda (f)  |  | 
| Curvatura (f)  | Krümmling (m)  | Curvature | Rayon de courbure (m)  | Encorvamiento (m)  |  | 
| Cuscino (m)  | Kissen (nt) | Cushion / Pillow  | Oreiller (m)  | Almohada (f) / Cojín (m) / Almohadilla (f)  |  | 
| Cuspide | Fiale (f)  | Pinnacle | Apogée (f)  | Cúspide (f)  |  | 
| cagionevole | anfällig (adj)  | vulnerable | sensible  | vulnerable |  | 
| cambiare | ändern (sich) (v) | change | changer | cambiar |  | 
| cassaforma (f) / cassero (m) | Schalung (f), Unterzug (m) | boarding / formwork / shutter, joist / binding beam | coffrage (m), reprise (f) en sous-oeuvre (f) | encofrado (m) / revestimiento (m), jácena (f) / sopanda (f) |  | 
| cassaforma (f) / cassero (m) | Schalung (f) bei Wandauflager | boarding / formwork / shutter | coffrage (m) | encofrado (m) / revestimiento (m) |  | 
| cassaforma (f) / cassero (m) | Schalung (f) bei Randunterzug | boarding / formwork / shutter on border joist | coffrage (m) reprise (f) en sous-oeuvre (f) bordière | encofrado (m) / revestimiento (m) en jácena (f) / sopanda (f) marginal |  | 
| caustico  | ätzend (adj)  | caustic/corrosive | caustique | caústico  |  | 
| cavo  | hohl (adj)  | hollow | creux | hueco  |  | 
| ceppo calcolo | Steinkloben | stone block | pierre gond | leño piedra |  | 
| cerniera / bilico / perno | Scharnier / Drehpunkt | hinge / pivot point | charnière / entablure / centre de rotation | charnela / bisagra / centro de giro |  | 
| collocare  | einbetten (v) | embed  | insérer  | incluir |  | 
| colorato  | farbig (adj)  | coloured | coloré | colorido  |  | 
| construito  | aufgebaut (adj)  | set up / constructed  | construit  | construído  |  | 
| copertura (f) / fodera (f), cassaforma (f) / cassero (m) | Schalung (f), Überzug (m) | boarding / formwork / shutter, casing / coating / cover / overlay | coffrage (m), 	recouvrement (m) / housse (f) | encofrado (m) / revestimiento (m), forro (m) |  | 
| copertura in calcestruzzo | Betondecke | concrete ceiling  | plafond au béton | firme de hormigón |  | 
| cornicione | Sims | ledge | rebord | entablamento |  | 
| cornicione | Gesims (nt) | Cornice/ Ledge | corniche (f) | cornisa (f) |  | 
| costruire | aufbauen (etwas) (v)  | set up / construct  | construire | construir  |  | 
| cristallina  | kristallin (adj) | crystalline | cristallin  | cristalino |  | 
| cromato  | chromieren (v)  | chromate / chromium-plate | chromate | cromato  |  |