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isozooid
isozooid n. 
/ˌʌɪsə(ʊ)ˈzəʊɔɪd/, /ˌʌɪsə(ʊ)ˈzuːɪd/, /ˌaɪsoʊˈzuˌɔɪd/ Biology a ‘zooid’, or individual of a compound or ‘colonial’ animal organism, not differentiated from the rest: opposed to allozooid.
Brit. /ˌʌɪsə(ʊ)ˈzuːɔɪd/
, /ˌʌɪsə(ʊ)ˈzuːɔɪd//ˌʌɪsə(ʊ)ˈzəʊɔɪd//ˌʌɪsə(ʊ)ˈzuːɪd/U.S. /ˌaɪsoʊˈzoʊˌɔɪd/
, /ˌaɪsoʊˈzoʊˌɔɪd//ˌaɪsoʊˈzuˌɔɪd/ΚΠ
1858 E. Lankester & W. B. Carpenter Veg. Physiol. (new ed.) §397 Isozooids and allozooids.
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