Webster's Revised Unabridged Dictionary · 1913

Revert

Revert , transitive verb

[Latin revertere, reversum; pref. re- re- + vertere to turn: compare Old French revertir. See Verse, and compare Reverse.]

1.
To turn back, or to the contrary; to reverse.
Till happy chance revert the cruel scence. — Prior
The tumbling stream... Reverted, plays in undulating flow. — Thomson
2.
To throw back; to reflect; to reverberate.
3.
(Chemistry) To change back. See Revert, v. i.
Collocations (1)
To revert a series (Algebra) , to treat a series, as y = a + bx + cx2 + etc., where one variable y is expressed in powers of a second variable x, so as to find therefrom the second variable x, expressed in a series arranged in powers of y.

Revert , intransitive verb

1.
To return; to come back.
So that my arrows Would have reverted to my bow again. — Shakespeare
2.
(Law) To return to the proprietor after the termination of a particular estate granted by him.
3.
(Biology) To return, wholly or in part, towards some preexistent form; to take on the traits or characters of an ancestral type.
4.
(Chemistry) To change back, as from a soluble to an insoluble state or the reverse; thus, phosphoric acid in certain fertilizers reverts.

Revert , noun

One who, or that which, reverts.
An active promoter in making the East Saxons converts, or rather reverts, to the faith. — Fuller