| climatico | klimatisch |
| Climatizzazione | Heizung |
| climatologa | Klimatologe |
| climatologia | Klimatologie |
| climatologo | Klimatologe |
| climax | Klimax |
| Climbach | Climbach |
| Climene | Klymene |
| Clinamen | Clinamen |
| clinch | Clinch |
| clinica | Medizin |
| clinico | klinisch |
| Clinoclasio | Klinoklas |
| Clinozoisite | Klinozoisit |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clio | Klio |
| Cliometria | Kliometrie |
| clip | Clip |
| Clipart | Clipart |
| Clipboard | Zwischenablage |
| Clipper | Klipper |
| Clissa | Klis |
| Clisson | Clisson |
| Clistene | Kleisthenes von Athen |
| Clistene di Sicione | Kleisthenes von Athen |
| clistere | Klistier |
| Clitellata | Gürtelwürmer |
| Clitennestra | Klytaimnestra |
| Clitico | Klitika |
| Clito | Kleitos |
| Clitopilus prunulus | Müller |
| clitorico | klitoral |
| clitoride | Kitzler |
| clivaggio | Teilung |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| Clive Staples Lewis | Clive Staples Lewis |
| Clivia | Klivien |
| Clizia | Klytia |
| cloaca | Kanalisation |
| Cloaca Massima | Cloaca Maxima |
| Cloak e Dagger | Pallium |
| Cloaking | Cloaking |
| cloche | Topfhut |
| Clock | Taktsignal |
| Clodia Pulcra | Clodia |
| Clodio Albino | Clodius Albinus |
| Clodione | Chlodio |
| Clodomiro | Chlodomer |
| Clomipramina | Clomipramin |
| Clonaggio genico | Klonierung |
| clonare | klonen |
| Clonazepam | Clonazepam |
| clonazione | Klonen |
| clone | Klon |
| Clone Wars | Clone Wars |
| Clonidina | Clonidin |
| Clonmel | Clonmel |
| Cloracne | Chlorakne |
| cloralio | Chloral |
| Cloramfenicolo | Chloramphenicol |
| Clorammine | Chloramine |
| clorammonio | Salmiak |
| clorato | Chlorat |
| Clorato di potassio | Kaliumchlorat |
| clorazione | Chloren |
| Clorexidina | Chlorhexidin |
| Clorina | Chlorin |
| cloro | Chlor |
| Clorochina | Chloroquin |
| clorofenoli | Chlorphenol |
| clorofilla | Chlorophyll |
| clorofluorocarburi | Fluorchlorkohlenwasserstoff |
| clorofluorocarburo | Fluorchlorkohlenwasserstoffe |
| cloroformio | Chloroform |
| Clorometano | Chlormethan |
| Cloropicrina | Chlorpikrin |
| cloroplasto | Chloroplast |
| clorosi | Chlorose |
| Clorpromazina | Chlorpromazin |
| clorurare | chloren |
| clorurazione | Chloren |
| cloruro | Chlorid |
| Cloruro di acetile | Essigsäurechlorid |
| Cloruro di bario | Bariumchlorid |
| Cloruro di benzalconio | Benzalkoniumchlorid |
| Cloruro di calcio | Calciumchlorid |
| cloruro di polivinile | Polyvinylchlorid |
| Cloruro di potassio | Kaliumchlorid |
| Cloruro di rubidio | Rubidiumchlorid |
| cloruro di sodio | Natriumchlorid |
| Cloruro di solforile | Sulfurylchlorid |
| Cloruro di tionile | Thionylchlorid |
| cloruro di vinile | Vinylchlorid |
| Cloruro di zinco | Zinkchlorid |
| Cloruro manganoso | Mangan-chlorid |
| Cloruro mercurico | Quecksilber-chlorid |
| Cloruro mercuroso | Quecksilber-chlorid |
| Cloruro rameico | Kupfer-chlorid |
| Cloruro rameoso | Kupfer-chlorid |
| Cloruro stannico | Zinn-chlorid |
| Cloruro stannoso | Zinn-chlorid |
| Close to Home | Close to Home |
| Close-In Weapon System | Close-in-Weapon-System |
| Close-up | Closeup |
| Clostridium | Clostridien |
| Clostridium tetani | Clostridium tetani |
| Clotilde | Chlothilde von Burgund |
| Cloto | Klotho |
| Clotoide | Klothoide |
| clou | Clou |
| Clouange | Clouange |
| Cloud Strife | Cloud Strife |
| Clover | Clover |
| Clovertown | Intel-Core-Mikroarchitektur |
| Clovis | Clovis-Kultur |
| clown | Clown |
| Clownesco | Hanswurst |
| Clozapina | Clozapin |
| club | Verein |
