Equate /(?)/

E·quate

Equate

v. t.

imp. & p. p. Equated; p. pr. & vb. n. Equating

  1. To make equal; to reduce to an average; to make such an allowance or correction in as will reduce to a common standard of comparison; to reduce to mean time or motion; as, to equate payments; to equate lines of railroad for grades or curves; equated distances.
    Palgrave gives both scrolle and scrowe and equates both to F[rench] rolle.
    — Skeat (Etymol. Dict. ).

Phrases & Compounds

Equating for grades
adding to the measured distance one mile for each twenty feet of ascent.
Equating for curves
adding half a mile for each 360 degrees of curvature.