Dictionary

That which alternates with something else; vicissitude.

A substitute; an alternative; one designated to take the place of another, if necessary, in performing some duty.

A proportion derived from another proportion by interchanging the means.

A replacement of equal or greater value or function.

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.