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Al*ter"nate [L. alternatus, p. p. of alternate, fr. alternus. See Altern, Alter.]


Being or succeeding by turns; one following the other in succession of time or place; by turns first one and then the other; hence, reciprocal.

And bid alternate passions fall and rise. Pope.


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; as, the alternate members 1, 3, 5, 7, etc. ; read every alternate line.

3. Bot.

Distributed, as leaves, singly at different heights of the stem, and at equal intervals as respects angular divergence.


Alternate alligation. See Alligation. -- Alternate angles Geom., the internal and angles made by two lines with a third, on opposite sides of it. It the parallels AB, CD, are cut by the line EF, the angles AGH, GHD, as also the angles BGH and GHC, are called alternate angles. -- Alternate generation. Biol. See under Generation.


© Webster 1913.



That which alternates with something else; vicissitude.


Grateful alternates of substantial. Prior.


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

3. Math.

A proportion derived from another proportion by interchanging the means.


© Webster 1913.

Al"ter*nate Alternating.] [L. alternatus, p. p. of alternare. See Altern.]

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

The most high God, in all things appertaining unto this life, for sundry wise ends alternates the disposition of good and evil. Grew.


© Webster 1913.

Al"ter*nate, v. i.


To happen, succeed, or act by turns; to follow reciprocally in place or time; -- followed by with; as, the flood and ebb tides alternate with each other.

Rage, shame, and grief alternate in his breast. J. Philips.

Different species alternating with each other. Kirwan.


To vary by turns; as, the land alternates between rocky hills and sandy plains.


© Webster 1913.