| CAR | has carbon electrodes |
|---|---|
| CAR | an atom of carbon |
| CAR | a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink |
| CAR | a copy made with carbon paper |
| CAR | a thermonuclear reaction in the interior of stars |
| CAR | the organic circulation of carbon from the atmosphere into organisms and back again |
| CAR | a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14 |
| CAR | anthelmintic agent used against hookworm and other nematodes |
| CAR | a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances |
| CAR | acidosis resulting from reduced gas exchange in the lungs (as in emphysema or pneumonia) |
| CAR | a toxic colorless flammable liquid (CS2) |
| CAR | an odorless very poisonous gas that is a product of incomplete combustion of carbon |