ˈ ̷ ̷ ̷ ̷_lə̇n noun
( -s )
Etymology: International Scientific Vocabulary cheir- (from New Latin Cheiranthus genus of herbs, from Greek chir- + -anthus ) + -ol + -in; originally formed in German
: a colorless crystalline sulfone CH 3 SO 2 (CH 2 ) 3 NCS occurring as a glucoside in seeds of a wallflower ( Cheiranthus cheiri ) and in those of plants of the genus Erysimum