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.