Revert /(?)/

Re·vert

Revert

v. t.

imp. & p. p. Reverted; p. pr. & vb. n. Reverting

  1. To turn back, or to the contrary; to reverse.
    Till happy chance revert the cruel scence.
    The tumbling stream . . . Reverted, plays in undulating flow.
  2. To throw back; to reflect; to reverberate.
  3. To change back. See Revert, v. i. (Chem.)

Phrases & Compounds
To revert a series
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

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

Revert

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