[ pree-uh s ]
/ ˈpri əs /

noun, plural Prius, Prii [pree-ahy] /ˈpri aɪ/. Trademark.

a brand of hybrid car, one of the first commercially successful, that runs at lower speeds on an electric motor powered by a battery pack, and at higher speeds on a gasoline engine, which can also recharge the battery.

Origin of Prius

1997; from the Latin prius meaning “coming before”; also related to such English words as “prior” and “primary”

Quotations related to Prius

  • "In hybrids such as the Toyota Prius, computer software decides when to run the [gasoline] engine, when to run the electric motor and when to recharge the battery. … A full hybrid, such as the Toyota Prius, can provide a fuel economy improvement of 60 percent or more."
    -Joseph J. Romm and Andrew A. Fran Hybrid Vehicles Gain Traction Scientific American (April 2006) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020