Library / English Dictionary

    ZIRCON

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparentplay

    Synonyms:

    zircon; zirconium silicate

    Classified under:

    Nouns denoting substances

    Hypernyms ("zircon" is a kind of...):

    mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)

    Meronyms (substance of "zircon"):

    atomic number 40; zirconium; Zr (a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon)

    Hyponyms (each of the following is a kind of "zircon"):

    hyacinth; jacinth (a red transparent variety of zircon used as a gemstone)

    jargon; jargoon (a colorless (or pale yellow or smoky) variety of zircon)

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