Definition of Regaine in English:

Regaine

noun

US, British
Pharmacology
  • The drug minoxidil in a topical formulation used for the treatment of certain forms of hair loss. [A trademark in the United Kingdom.]

Origin

1980s; earliest use found in The New York Times. From regain, with arbitrary alteration of the ending.

Pronunciation

Regaine

/ˈriːɡeɪn/