Last Updated:2025/11/29
An astronomical instrument for measuring angles, like the sextant or Hadley's quadrant, by the reflection of light from two plane mirrors which it carries, and differing from the sextant chiefly in having an entire circle.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
reflecting circle
Edit Histories(0)
Source Word
reflecting circle
Noun
Japanese Meaning
全円を用いる反射式天文測定器。セクスタントやハドリーの四分儀に似ており、2枚の平面鏡により反射した光を使って角度を測定する装置。
( plural )