(inorganic chemistry, countable) Synonym of bicarbonate / (inorganic chemistry, uncountable) carbonic acid

(organic chemistry) A carborane.

(physics, astronomy) the nucleosynthesis process, in stars of greater than 8 solar mass that have exhausted their helium supply, in which carbon is converted to neon, sodium, magnesium and other elements

(physics, astronomy) A group of nuclear reactions, that involve the interaction of protons with carbon, nitrogen and oxygen nuclei, thought to be the main source of energy in main-sequence stars of greater than 1.4 solar mass.

(inorganic chemistry) A black, solid, of formula CaC₂, manufactured from lime and carbon at high temperatures; reacts with water to form acetylene.

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.

(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