UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈdændrʌf/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈdændrəf/ ,USA pronunciation: respelling(dandrəf )

WordReference Random House Learner's Dictionary of American English © 2020
dan•druff /ˈdændrəf/USA pronunciation   n. [uncountable]
  1. Pathology, Physiologysmall scales that form on and are shed from the scalp.

WordReference Random House Unabridged Dictionary of American English © 2020
dan•druff  (dandrəf ),USA pronunciation n. 
  1. Pathology, Physiologya seborrheic scurf that forms on the scalp and comes off in small scales.
Also,  dan•driff  (dandrəf ),USA pronunciation  dandruff•y, dandriff•y, adj. 
  • origin, originally uncertain 1535–45

Collins Concise English Dictionary © HarperCollins Publishers::
dandruff /ˈdændrəf/ n
  1. loose scales of dry dead skin shed from the scalp
Etymology: 16th Century: dand-, of unknown origin + -ruff, probably from Middle English roufe scab, from Old Norse hrūfa
'dandruff' also found in these entries (note: many are not synonyms or translations):
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