ven.ˈtiləjə̇n; ˌvent ə lˈāj-, - ə lˈaj- noun
( -s )
Etymology: International Scientific Vocabulary ventilag- (from New Latin Ventilago — genus name of Ventilago maderaspatana — , irregular from Latin ventulus + agere to drive) + -in — more at agent
: a reddish brown resinous coloring matter C 15 H 14 O 6 derived from anthraquinone and obtained from the root bark of an East Indian woody vine ( Ventilago maderaspatana ) of the family Rhamnaceae