円えん錐すい体たい

noun

cone (geometric solid)

Technical geometry term for a three-dimensional cone. In everyday contexts, 円錐 (えんすい) is more common.

See also: 円錐

• 円えん錐すい体たいの体たい積せきを求もとめる公こう式しきを覚おぼえていますか。

  Do you remember the formula for the volume of a cone?

noun

cone cell

Anatomical term for the photoreceptor cells in the retina responsible for color vision. Often used in the full form 錐体細胞 (すいたいさいぼう).

See also: 錐体細胞

• 人にん間げんの目めには三さん種しゅ類るいの円えん錐すい体たいがある。

  The human eye has three types of cone cells.