対たい合ごう

noun

synapsis

Biology term for the pairing of homologous chromosomes during meiosis.

See also: シナプシス

• 減げん数すう分ぶん裂れつの前ぜん期きに対たい合ごうが起おこる。

  Synapsis occurs during prophase of meiosis.

noun

involution

Mathematics term for a function that is its own inverse.

• 対たい合ごうは数すう学がくで、自じ分ぶん自じ身しんが逆ぎゃく関かん数すうとなる写しゃ像ぞうを指さす。

  In mathematics, an involution refers to a mapping that is its own inverse.