Definition of capsule noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈkæpsjuːl//
    ; NAmE NAmE//ˈkæpsl//
    , NAmE//ˈkæpsuːl//
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  1. 1a small container which has a measured amount of a medicine inside and which dissolves when you swallow it The medicine can be taken in tablet or capsule form. Take two 30ml capsules a day. Wordfinderadminister, capsule, dispense, dose, ill, inhaler, medicine, medication, pharmacy, placebo See related entries: Medication
  2. 2a small plastic container with a substance or liquid inside To avoid capture, he swallowed a cyanide capsule. capsules containing a poisonous drug
  3. 3the part of a spacecraft in which people travel and that often separates from the main rocket the cramped conditions of a space capsule
  4. 4(specialist) a shell or container for seeds or eggs in some plants and animals
  5. see also time capsule
    Word Originlate Middle English (in the general sense ‘small container’): via French from Latin capsula, diminutive of capsa related to capere ‘to hold’.

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