A substitute; an alternative; one designated to take the place of another, if necessary, in performing some duty.
A replacement of equal or greater value or function.
A proportion derived from another proportion by interchanging the means.
That which alternates with something else; vicissitude.
Figures or tinctures that succeed each other by turns.
To vary by turns.
To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.
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.
To happen, succeed, or act by turns; to follow reciprocally in place or time; followed by with.
Other; alternative.
Distributed singly at different heights of the stem, and at equal intervals as respects angular divergence
Designating the members in a series, which regularly intervene between the members of another series, as the odd or even numbers of the numerals; every other; every second.
Happening by turns; one following the other in succession of time or place; first one and then the other (repeatedly)
Something necessary; a requisite; something indispensable.
Something which makes an act or an event unavoidable; an irresistible force; overruling power.
Greater utilitarian good; used in justification of a criminal act.
Indispensable requirements (of life).
The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.
The condition of being needy; desperate need; lack.
The quality or state of being necessary, unavoidable, or absolutely requisite.