To turn something to carbon, especially by heating it; to scorch or blacken. / (chemistry) To react something with carbon.

(inorganic chemistry) a very hard, grey compound, chemical formula WC, used as an abrasive.

(cooking, transitive) To convert (sugar) into caramel. / (cooking, transitive) To brown (sugar, or a foodstuff containing sugar) by means of heat.

(chemistry) a theoretical binary compound of carbon and nitrogen, C₃N₄, that is thought would have properties similar to diamond or boron nitride

(physics) a radioactive isotopes of carbon, ¹⁴₆C, having six protons and eight neutrons; it is used in radiocarbon dating

(physics) the less common of the two stable isotopes of carbon, ¹³₆C, having six protons and seven neutrons

(inorganic chemistry) A binary compound of boron and carbon, B₄C, that is a very hard ceramic, and is used in tank armour, bulletproof vests etc.

(chemistry) The lithium salt of carbonic acid, Li₂CO₃, used in the manufacture of glass and ceramics, and medically, in the treatment of bipolar disorder.

(physics) The most abundant of the two stable isotopes of carbon, ¹²₆C, having six protons and six neutrons; it is the standard for atomic weight and is used to define the mole.

(chemistry) A very absorbent form of finely powdered carbon; used in purifying gases, and as an antidote for many poisons.