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.
瞳孔が開く。
the pupils dilate.
明るい光を当てると瞳孔が小さくなる。
When you shine a bright light, the pupils contract.
医師は患者の瞳孔の反応を調べて、意識の状態を確認した。
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 or 黒目.
COMMON COLLOCATIONS:
- 瞳孔が開く: the pupils dilate
- 瞳孔が収縮する: the pupils contract
- 瞳孔反応: pupillary reaction
SIMILAR WORDS:
- 瞳: pupil; eyes — poetic/everyday word, often for beautiful eyes
- 黒目: the dark part of the eye — casual term covering the iris and pupil