Any of a group of saltlike compounds formed from acetylene by the replacement of one or both of the hydrogen atoms by a metal; (also) either of…

Any organic compound containing the group N(OH) attached to a carbon atom, formed by the reaction of hydroxylamine with an aldehyde or ketone. Cf…

Any of a class of compounds containing two adjacent carbonyl groups, typically obtained by hydrolysing osazones.

= oxime, n. Obsolete. rare.

Any neutral compound containing a negatively charged carbon atom directly bonded to a positively charged atom of another element (commonly sulphur…

Any compound containing a hydroxyl group bonded directly to a benzene ring, esp. one that occurs in plants.

Any of a homologous series of compounds which have a quinone nucleus with a terpenoid side chain; spec. one of these occurring in the chloroplasts…

Any of a class of extremely reactive organic compounds whose molecules contain a nitrogen atom bearing two lone pairs of electrons.

A compound whose molecule consists of four CH groups forming the corners of a tetrahedron.