Equipollent (adj)
ek-wip-ol-unt
equal in power, effect, etc.; equivalent.
Equipollent is ultimately based on Latin aequus, “equal,” and pollēre, “to be able.” Pollēre is a fusion of Latin potis, “able,” and valēre, “to be strong.”
Example sentences
“For every action, there is an equipollent, opposing reaction.”