Raphide meaning

    -fĭs
    One of a bundle of needlelike crystals of calcium oxalate occurring in many plant cells.
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    A needle-shaped crystal, usually of calcium oxalate, developed singly, or more often in bundles, in a plant cell.
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    One of a bundle of needlelike crystals of calcium oxalate occurring in many plant cells.
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    One of a bundle of needlelike crystals of calcium oxalate occurring in many plant cells. The crystals discourage animals from eating the plant by irritating their tissues.
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    (biochemistry) A crystal of calcium oxalate, shaped like a needle, which forms as a metabolic byproduct in some plant cells.
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    Origin of raphide

    • French sing. of raphides from New Latin from Greek rhaphides pl. of rhaphis needle from rhaptein to sew wer-2 in Indo-European roots
      From American Heritage Dictionary of the English Language, 5th Edition
    • From Ancient Greek ῥαφίς (rhaphis)
      From Wiktionary