How to say "capsule" in Japanese

Choosing the right word
  • nounThe everyday word for a capsule as an object: a small container holding a dose of medicine, or a sealed pod such as one returning from space. It does not name a body tissue.
    食後しょくごに2カプセル飲のみなさい。↗
    Take two capsules after a meal.
  • 被膜ひまくCommon
    nounA technical medical term for the membranous layer enclosing an organ or similar structure in the body, the sense also rendered 'tunic' in English. Not the word for a pill or a spacecraft.

Use 「カプセル」 for capsules as objects — a medicine container or a spacecraft's sealed pod — and 被膜 only for the anatomical sense, the membranous covering of an organ.

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Japanese equivalents

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