Definition of monocompound in US English:

monocompound

noun

  • 1Chemistry. In inorganic chemistry: a compound, especially a binary compound, whose molecule contains one atom of a specified element. In organic chemistry: a derivative whose molecule contains only a single substituted group or radical.

  • 2Pharmacology. A pharmaceutical drug used alone, as in monotherapy.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From mono- + compound.

Pronunciation

monocompound

/ˈmɒnə(ʊ)ˌkɒmpaʊnd/