also: ついごう
Mathematics term for a function that is its own inverse.
Synapsis occurs during prophase of meiosis.
In mathematics, an involution refers to a mapping that is its own inverse.
Standard kanji spelling for both readings; the reading たいごう is more common.
Rare alternate reading; mainly encountered in older or specialized texts.
Compound of 対 (pair, opposite) and 合 (join, match). The exact historical derivation is uncertain; the term is used in modern scientific contexts for pairing or self-inverse concepts.