In reciprocal succession; succeeding by turns; in alternate order. / (mathematics) By alternation; when, in a proportion, the antecedent term is compared with antecedent, and consequent.

(linguistics) An alternate form or allomorph. / (mathematics) A determinant which is an alternating function.

plural of alternant

Alternating from one row of a matrix to another. / (geology) Composed of alternate layers, like certain rocks.

simple past tense and past participle of alternate

plural of alternation

Alternation.

(obsolete) Acting by turns; alternate.

The reciprocal succession of (normally two) things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence

(transitive) To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.