Definition of raphid in English:

raphid

noun

Botany
  • Raphide.

adjective

Botany
  • Of diatoms or their valves: having a raphe.

Origin

Mid 19th century. Either an alteration of raphide or independently from its etymon French raphide<br>1980s; earliest use found in Proceedings of the Royal Society of London. From raphe + -id.

Pronunciation

raphid

/ˈreɪfɪd/