See Also: peridot(medicine)
peridot(dictionary)
peridot(encyclopedia)

peridot (iou)



peridot noun. ME.
[Old French peritot (mod. -dot) = medieval Latin peridotus, of unkn. origin. In sense 2 readopted from French.]
1. A green gemstone. Only in ME.
2. Olivine (chrysolite), esp. as used as gem. E18.
peridotite noun (Geology) any of the group of plutonic rocks containing little or no feldspar but much olivine L19.
peridotitic adjective containing, consisting of, or resembling peridotite L19.