C
| cabbage | zelje |
| calcium | kalcij |
| calf | tele |
| cane | trs, trstika |
| canopy | listna masa |
| carbon | ogljik |
| carbon hydrate | ogljikov hidrat |
| carbon dioxide | ogljikov dioksid |
| carbonic acid | ogljikova kislina |
| care | nega, skrb |
| carpel | plodni list |
| carrot | korenček, korenje |
| cation | pozitivno naelektren delec |
| cauliflower | cvetača |
| cause | povzročiti |
| cave | podzemna jama |
| cedar | cedra |
| celery | zelena |
| cell | celica |
| cellar | klet |
| cereals | žitarice |
| certain | določen |
| cesspil | smetišče, gnojišče |
| cesspool | greznica, kloaka |
| change | sprememba |
| charge | zaračunati |
| chemical changes | kemične spremembe |
| cherry | češnja |
| chestnut | kostanj |
| chilly | hladen |
| chlorophyll | klorofil |
| choice | izbira |
| cinchona | kininovec |
| clarity | jasnost, čistost |
| clay | glina |
| clear | jasen |
| climate | klima, podnebje |
| climatic conditions | klimatski pogoji |
| climatic type | vrsta podnebja |
| climatic zones | podnebne cone |
| close | bližen |
| cloud | oblak |
| cloudy | oblačno |
| clover | detelja |
| cluster | grozd, kup |
| coarse | grob |
| coarse-grained | grobo zrnat |
| cold | mrzel |
| collect | zbirati |
| collection | zbirka |
| collective | skupen |
| compete | tekmovati |
| composed | sestavljen |
| composition | sestava |
| composting | kompostiranje |
| condition | stanje, pogoj |
| conifer | iglavec |
| connect | povezati |
| consist | sestajati, obstajati, skladati se |
| constituent | sestavni del |
| contain | vsebovati |
| contamination | onesnaževanje |
| content | vsebnost, vsebina |
| continent | celina |
| continue | nadaljevati (se) |
| conversion | pretvorba |
| convert | spremeniti, pretvoriti |
| cool | hladen |
| cooling | ohlajanje |
| cope with | obvladati, obvladovati |
| copper | baker |
| coppery | bakren |
| coppice | goščava, grmovje |
| corn | koruza, zrno |
| coupling | priključni sistem |
| courgette (zucchini) | jedilna bučka |
| cranberry | brusnica |
| crop | pridelek, letina |
| crown | krona, krošnja |
| crumb | drobtina, grudica |
| crumble | krušiti se |
| cucumber | kumara |
| cultivation | gojenje, obdelovanje |
| cultivator | kultivator |
| currant | ribez |
| cypress | cipresa |