瞳孔(どうこう)

どうこう
noun
pupil (of the eye)
body-part
1. pupil (of the eye)
The pupil of the eye — the black, adjustable opening at the center of the iris that lets light in. A medical and anatomical term.
瞳孔(どうこう)が開(ひら)く。
the pupils dilate.
明(あか)るい光(ひかり)を当(あ)てると瞳孔(どうこう)が小(ちい)さくなる。
When you shine a bright light, the pupils contract.
医師(いし)は患者(かんじゃ)の瞳孔(どうこう)の反応(はんのう)を調(しら)べて、意識(いしき)の状態(じょうたい)を確認(かくにん)した。
The doctor examined the patient's pupil response to check their state of consciousness.

The anatomical term for the eye's pupil. In everyday speech the pupil and surrounding dark iris are usually called 瞳(ひとみ) or 黒目(くろめ).

Common collocations

Similar words

  • 瞳(ひとみ): pupil; eyes — poetic/everyday word, often for beautiful eyes
  • 黒目(くろめ): the dark part of the eye — casual term covering the iris and pupil
general
Added 2026.5.21 13:04 · Revised 2026.9.2 13:02
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