peridotite

[ per-i-doh-tahyt, puh-rid-uh-tahyt ]
/ ˈpɛr ɪˌdoʊ taɪt, pəˈrɪd əˌtaɪt /

noun

a coarsely granular igneous rock composed chiefly of olivine with an admixture of various other minerals.

Origin of peridotite

From French, dating back to 1895–1900; see origin at peridot, -ite1

OTHER WORDS FROM peridotite

per·i·do·tit·ic [per-i-doh-tit-ik, puh-rid-uh-] /ˌpɛr ɪ doʊˈtɪt ɪk, pəˌrɪd ə-/, adjective

Words nearby peridotite

perididymitis, peridium, peridiverticulitis, peridot, peridot of ceylon, peridotite, periduodenitis, periencephalitis, perienteritis, periesophagitis, perifolliculitis

Example sentences from the Web for peridotite

British Dictionary definitions for peridotite

peridotite
/ (ˌpɛrɪˈdəʊtaɪt) /

noun

a dark coarse-grained ultrabasic plutonic igneous rock consisting principally of olivine

Derived forms of peridotite

peridotitic (ˌpɛrɪdəʊˈtɪtɪk), adjective

Word Origin for peridotite

C19: from French, from peridot

Scientific definitions for peridotite

peridotite
[ pĕr′ĭ-dō-tīt′, pə-rĭd′ə- ]

A coarse-grained igneous rock that consists mainly of olivine and pyroxene. It is believed to be one of the main constituent rocks of the Earth's mantle.