Meaning

noun a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

noun American chemist who with Richard Smalley and Harold Kroto discovered fullerenes and opened a new branch of chemistry (born in 1933)

noun a strand or cluster of hair

originFrom metathesis of Middle English crulle (“curled, curly”), of uncertain origin but probably from an unrecorded Old English word or from Middle Dutch crul, crulle (“curl”), ultimately from Proto-Germanic *kruzlǭ (“bent or crooked object, curl”), connected to *krūsą (“curl”), of unknown origin. Cognate with Saterland Frisian Krulle (“curl, lock”), West Frisian krul (“curl”), Dutch krul (“curl”),…

Etymology from Wiktionary, CC BY-SA 3.0