Dictionary

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

To happen, succeed, or act by turns; to follow reciprocally in place or time; followed by with.

Example: The flood and ebb tides alternate with each other.

To vary by turns.

Example: The land alternates between rocky hills and sandy plains.

To perform an alternation (removal of alternate vertices) on (a polytope or tessellation); to remove vertices (from a face or edge) as part of an alternation.

That alternates.

(of a knot) Having a planar diagram whose crossings alternate between "over" and "under" as one travels along the knot.

(of a series) Having terms that alternate between positive and negative.

(of a multilinear mapping with all arguments belonging to the same space) Whose value is zero when any two adjacent arguments are equal.