A transparent olive-green form of olivine, used as a gem. / A yellow-green colour, like that of the peridot.

plural of peridot

Archaic form of peridot.

plural of peridote

Of or relating to peridot.

(geology) A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle.

plural of peridotite

Of or relating to the mineral peridotite.