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
A sequence that alternates between positive and negative values; sometimes incorrectly used to mean permutation.
A type of partial truncation of a polygon, polyhedron or tiling in which alternate vertices are removed.
The response of the congregation speaking alternately with the minister.
A construct in a regular expression that can match any of several specified subexpressions.
A pattern by which more than one construct is possible, as with "Alice cooked Bob dinner" and "Alice cooked dinner for Bob".
Ablaut.
The "inclusive or" truth function.
A transposition.
a musical instrument that is written in a different pitch to how it sounds, often for ease of playing multiple instruments of the same family that have different ranges.