(organic chemistry) a covalent bond between two carbon atoms

plural of carbon-carbon bond

(medicine) A rigid board on which a patient is laid to receive cardiopulmonary resuscitation.

plural of cardiac board

(card games, US) A playing card which is not a picture card; a card of low value.

(pharmacology) Synonym of effervescent tablet

(organic chemistry) an ester of carbonic acid and ethanol with the formula OC(OCH₂CH₃)₂

Synonym of carbon dioxide

(chemistry, medicine) a solid form of carbon dioxide used in cryotherapy and also as a refrigerant

(set theory) A cardinal number that cannot be reached from another by repeated successor operations (a weak limit cardinal) or by repeated power set operations (a strong limit cardinal).