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⇱ aspirin - WordReference.com Dictionary of English


aspirin

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UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈæspɪrɪn/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈæspərɪn, -prɪn/ ,USA pronunciation: respelling(aspər in, -prin)

Inflections of 'aspirin' (n):
aspirin
npl
aspirins
npl

WordReference Random House Learner's Dictionary of American English © 2026
as•pi•rin /ˈæspərɪn, -prɪn/USA pronunciation   n., pl. -rin, -rins. 
  1. Drugs[uncountable] a white substance made from salicylic acid and used to relieve pain and fever;
    acetylsalicylic acid.
  2. Drugs a tablet of aspirin:[countable]Take an aspirin.

WordReference Random House Unabridged Dictionary of American English © 2026
as•pi•rin  (aspər in, -prin),USA pronunciation n., pl. -rin, -rins. 
  1. Drugs[Pharm.]a white, crystalline substance, C9H8O4, derivative of salicylic acid, used as an anti-inflammatory agent and to relieve the pain of headache, rheumatism, gout, neuralgia, etc.;
    acetylsalicylic acid.
  2. Drugsan aspirin tablet:I took two aspirin and went right to bed.
  • origin, originally German trademark, equivalent. to A(cetyl) acetyl + Spir(säure) salicylic acid (see spiraea) + -in -in2 1899

Collins Concise English Dictionary © HarperCollins Publishers::
aspirin /ˈæsprɪn/ n ( pl -rin, -rins)
  1. a white crystalline compound widely used in the form of tablets to relieve pain and fever, to reduce inflammation, and to prevent strokes. Formula: CH3COOC6H4COOHChemical name: acetylsalicylic acid
  2. a tablet of aspirin
Etymology: 19th Century: from German, from A(cetyl) + Spir(säure) spiraeic acid (modern salicylic acid) + -in; see also spiraea
'aspirin' also found in these entries (note: many are not synonyms or translations):

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