Defn: Being of the same weight.
A column of air . . . equiponderant to a column of quicksilver.
Locke.

EQUIPONDERATE
E`qui*pon"der*ate, v. i. Etym: [Equi- + L. ponderare to weigh. See
Ponderate.]

Defn: To be equal in weight; to weigh as much as another thing. Bp.
Wilkins.

EQUIPONDERATE
E`qui*pon"der*ate, v. t.

Defn: To make equal in weight; to counterbalance. "More than equiponderated the declension in that direction." De Quincey.

EQUIPONDEROUS
E`qui*pon"der*ous, a. Etym: [Equi- + L. pondus, ponderis, weight.]

Defn: Having equal weight. Bailey.

EQUIPONDIOUS E`qui*pon"di*ous, a. Etym: [L. aequipondium an equal weight; aequus equal + pondus weight.]

Defn: Of equal weight on both sides; balanced. [Obs.] Glanvill.

EQUIPOTENTIAL
E`qui*po*ten"tial, a. Etym: [Equi- + potential.] (Mech. & Physics)