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trophozooid
trophozooid n. 
/ˌtrəʊfə(ʊ)ˈzuːɔɪd/, /ˌtrɒfə(ʊ)ˈzəʊɔɪd/, /ˌtrəʊfə(ʊ)ˈzəʊɔɪd/, /ˌtrɒfə(ʊ)ˈzuːɪd/, /ˌtrəʊfə(ʊ)ˈzuːɪd/, /ˌtroʊfoʊˈzoʊˌɔɪd/, /ˌtrɑfoʊˈzuˌɔɪd/, /ˌtroʊfoʊˈzuˌɔɪd/ (in a hydrozoan or other colonial organism) a non-reproductive zooid serving a primarily nutritive role; cf. trophosome n.
Brit. /ˌtrɒfə(ʊ)ˈzuːɔɪd/
, /ˌtrɒfə(ʊ)ˈzuːɔɪd//ˌtrəʊfə(ʊ)ˈzuːɔɪd//ˌtrɒfə(ʊ)ˈzəʊɔɪd//ˌtrəʊfə(ʊ)ˈzəʊɔɪd//ˌtrɒfə(ʊ)ˈzuːɪd//ˌtrəʊfə(ʊ)ˈzuːɪd/U.S. /ˌtrɑfoʊˈzoʊˌɔɪd/
, /ˌtrɑfoʊˈzoʊˌɔɪd//ˌtroʊfoʊˈzoʊˌɔɪd//ˌtrɑfoʊˈzuˌɔɪd//ˌtroʊfoʊˈzuˌɔɪd/ΘΚΠ
the world > animals > invertebrates > colony or compound organism > [noun] > polyp or zooid of colony > nutritive zooid
trophozooid1888
1888 W. A. Herdman in Encycl. Brit. XXIII. 615/2 Nutritive forms (trophozooids) which remain permanently attached to the nurse, and serve to provide it with food.
1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxxii. 186/2 Trophozooids..are sterile, nutritive and respiratory in function.
2003 R. E. Dunmur tr. P. Ax Multicellular Animals III. 164 (caption) The trophozooids reach a length of 4–5 mm.
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