Cnidaria
[nahy-dair-ee-uh] /naɪˈdɛər i ə/
noun, Zoology.
1.
an alternative name for the invertebrate phylum Coelenterata, giving emphasis to the stinging structures as characteristic of the phylum.
n.
phylum of stinging invertebrates, from Modern Latin cnida, from Greek knide “nettle,” from stem of knizein “to scratch scrape.” Related: Cnidarian.
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- Cnidarian
[nahy-dair-ee-uh n] /naɪˈdɛər i ən/ noun 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum , characterized by the specialized stinging structures in the tentacles surrounding the mouth; a coelenterate. adjective 2. belonging or pertaining to the . /naɪˈdɛərɪən; knaɪ-/ noun 1. any invertebrate of the […]
- Cnido-
1. a combining form representing cnida, in compound words: cnidophore.
- Cnidoblast
[nahy-duh-blast] /ˈnaɪ dəˌblæst/ noun, Zoology. 1. the cell within which a nematocyst is developed. /ˈnaɪdəʊˌblɑːst; ˈknaɪ-/ noun 1. (zoology) any of the cells of a coelenterate that contain nematocysts
- Cnidoblasts
[nahy-duh-blast] /ˈnaɪ dəˌblæst/ noun, Zoology. 1. the cell within which a nematocyst is developed. /ˈnaɪdəʊˌblɑːst; ˈknaɪ-/ noun 1. (zoology) any of the cells of a coelenterate that contain nematocysts
- Cnidocil
[nahy-duh-sil] /ˈnaɪ də sɪl/ noun, Zoology. 1. a hairlike sensory process projecting from the surface of a cnidoblast, believed to trigger the discharge of the nematocyst.