(chemistry) an allotropic form of carbon consisting of a low-density, three-dimensional web of graphene plates, distorted by the inclusion of some seven-membered rings

a chondrite which contains a high level of organic matter

Any of a range of alloys of iron and carbon whose properties depend on the proportion of carbon.

of, relating to, rich in, or yielding carbon, or a compound of carbon.

(organic chemistry) The halogenated hydrocarbon tetrachloromethane; a toxic, non-inflammable liquid, used as a solvent, in dry cleaning and in fire extinguishers.

the photographic process of making a carbon print

(photography) an early photographic print made by soaking a carbon tissue in potassium bichromate

a simple electrical resistor containing carbon granules in a binder

the halogenated hydrocarbon tetraiodomethane

(inorganic chemistry) The ammonium salt of carbonic acid, (NH₄)₂CO₃; a white powder, smelling of ammonia, used in the preparation of smelling salts and baking powder.