cnidocyst

noun
cni·​do·​cyst | \ ˈnī-də-ˌsist How to pronounce cnidocyst (audio) \
plural cnidocysts

Definition of cnidocyst

: nematocyst The stinging cells, or cnidocysts, of sea anemones, jellyfish and other cnidarians work like tiny harpoons when triggered by physical contact.— Colin Barras

First Known Use of cnidocyst

1888, in the meaning defined above

History and Etymology for cnidocyst

borrowed from German Cnidocyste, from Greek knī́dē "nettle, sea nettle" + German -o- -o- + -cyste -cyst — more at cnidarian

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The first known use of cnidocyst was in 1888

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