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[puh-rid-ee-uh m] /pəˈrɪd i əm/

noun, plural peridea
[puh-rid-ee-uh] /pəˈrɪd i ə/ (Show IPA). Mycology.
the outer enveloping coat of the fruit body in many fungi.
noun (pl) -ridia (-ˈrɪdɪə)
the distinct outer layer of the spore-bearing organ in many fungi


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  • Peridot

    [per-i-doh, -dot] /ˈpɛr ɪˌdoʊ, -ˌdɒt/ noun, Mineralogy. 1. a green transparent variety of olivine, used as a gem. /ˈpɛrɪˌdɒt/ noun 1. a pale green transparent variety of the olivine chrysolite, used as a gemstone n. type of gemstone, mid-14c. (mid-13c. in Anglo-Latin), from Old French peritot (early 13c., Modern French péridot), of unknown origin.

  • Peridotite

    [per-i-doh-tahyt, puh-rid-uh-tahyt] /ˈpɛr ɪˌdoʊ taɪt, pəˈrɪd əˌtaɪt/ noun 1. a coarsely granular igneous rock composed chiefly of olivine with an admixture of various other minerals. /ˌpɛrɪˈdəʊtaɪt/ noun 1. a dark coarse-grained ultrabasic plutonic igneous rock consisting principally of olivine peridotite (pěr’ĭ-dō-tīt’, pə-rĭd’ə-) A coarse-grained igneous rock that consists mainly of olivine and pyroxene. It is […]

  • Peridot-of-ceylon

    noun, Jewelry. 1. a honey-colored tourmaline, used as a gem: not a true peridot.

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