Definition of adjuvancy in English:

adjuvancy

noun

Medicine
  • The capacity or effect of assisting something or someone; assistance, aid, help. In later use chiefly with reference to the action of adjuvant therapies or agents.

Origin

Late 17th century; earliest use found in John Brown (c1610–1679), Church of Scotland minister. From adjuvant: see -ancy.

Pronunciation:

adjuvancy

/ˈadʒʊv(ə)nsi/