raphide
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English[edit]
Alternative forms[edit]
Etymology[edit]
From Ancient Greek ῥαφίς (rhaphís).
Pronunciation[edit]
enPR: rāfĭd, plural răfədēz
Noun[edit]
raphide (plural raphides)
- (botany) A crystal of calcium oxalate, shaped like a needle, which forms as a metabolic byproduct in some plant cells.