adj. [Gr. aktis, ray; forma, shape]
Having a radiated form; star-shaped; actinoid adj..

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • Actiniform — Ac*tin i*form, a. [Gr. ?, ?, ray + form.] Having a radiated form, like a sea anemone. [1913 Webster] …   The Collaborative International Dictionary of English

  • actiniform — [ak tin′ə fôrm΄] adj. [< ACTIN(O) + FORM] Zool. having radial form; rayed …   English World dictionary

  • actiniform — /ak tin euh fawrm /, adj. Zool. having a radiate form. [1835 45; ACTIN + I + FORM] * * * …   Universalium

  • actiniform — ac·tin·i·form (ak tinґĭ form) [aktin + form] formed like a ray; radiate …   Medical dictionary

  • actiniform — ac·tin·i·form …   English syllables

  • actiniform — /ækˈtɪnəfɔm/ (say ak tinuhfawm) adjective Zoology having a radiate form. {actin(o) (def. 2) + i 1 + form} …  

  • actiniform — akˈtinəˌfȯrm adjective Etymology: actin + form : having a radiated form : like a sea anemone …   Useful english dictionary

  • Actinoform cloud — An actinoform or actiniform cloud is a collection of marine low clouds that takes a distinct shape. They are named after the Greek word for ray due to their radial structure. Actinoform clouds can spread out over 300 kilometers (187 miles) across …   Wikipedia

  • actinoid — adj. [Gr. aktis, ray; eidos, shape] Raylike; star shaped; stellate; actiniform adj …   Dictionary of invertebrate zoology

  • actin- — combining form or actini or actino Etymology: New Latin actin ray, from Greek aktin , aktino , from aktin , aktis; akin to Old English ūhte morning twilight, Old High German ūhta, Old Norse ōtta, Gothic ūhtwo, Sanskrit aktu light, night, Latin… …   Useful english dictionary

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