Kyūjitai form of 幾何学: geometry

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

Calopteryx cornelia (a species of damselfly)

By teaching, we learn. Docendo discimus.

(mathematics, geometry) Riemannian geometry

topology (study of geometric properties that are not changed by stretching etc.)

algebraic geometry

(mathematics) geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c.

(geometry) construction, especially using tools such as ruler and compass

(organic chemistry, dated, deprecated by IUPAC) geometric isomer: a molecule that exhibits geometric isomerism