actiniformadj.

Brit.

/akˈtɪnᵻfɔːm/, U.S.

/ækˈtɪnəˌfɔrm/

Origin: Either (i) formed within English, by derivation. Or (ii) a borrowing from Greek, combined with an English element. Etymons: actinia n., -iform comb. form; Greek ἀκτῖν- , ἀκτίς , -iform comb. form.

Etymology: < actinia n. or its etymon ancient Greek ἀκτῖν-, ἀκτίς ray (see actino- comb. form) + -iform comb. form. Compare scientific Latin actiniformis (1833 as specific epithet of a coral).

Originally: (of a polyp) having the form or structure of a sea anemone. Later (more widely): having a radiated form; having rays diverging from a centre.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [adjective] > of or relating to the Anthozoa > belonging to order Zoantharia > relating to suborder Achnaria > radiated

actiniform1817

actinoid1846

1817 Jrnl. Acad. Nat. Sci. Philadelphia 1 152 The animal [sc. an actinia]..assuming the appearance of a madreporic animal, justified us in considering the latter, to a certain point, as actiniform animals.

1837 Philos. Trans. (Royal Soc.) 127 418 There yet remain two other types, which may be represented by Hydra and Actinia, the Hydriform and the Actiniform, or Zoanthiform polypes.

1912 J. R. Mohler et al. tr. F. Hutyra & J. Marek Special Pathol. & Therapeutics I. 667 Morbid processes produced by fungi... They do not form actiniform colonies.

1961 Proc. National Acad. Sci. U.S.A. 47 1706 Ovoid and actiniform bodies and meshwork filaments are found in stromatolitic portions of the chert.

2001 R. G. Barry & A. M. Carleton Synoptic & Dynamic Climatol. ii. 21 Actiniform cloud patterns in areas of subsidence were..discovered through satellite image analysis.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	actiniform
释义	actiniformadj. Brit. /akˈtɪnᵻfɔːm/, U.S. /ækˈtɪnəˌfɔrm/ Origin: Either (i) formed within English, by derivation. Or (ii) a borrowing from Greek, combined with an English element. Etymons: actinia n., -iform comb. form; Greek ἀκτῖν- , ἀκτίς , -iform comb. form. Etymology: < actinia n. or its etymon ancient Greek ἀκτῖν-, ἀκτίς ray (see actino- comb. form) + -iform comb. form. Compare scientific Latin actiniformis (1833 as specific epithet of a coral). Originally: (of a polyp) having the form or structure of a sea anemone. Later (more widely): having a radiated form; having rays diverging from a centre. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [adjective] > of or relating to the Anthozoa > belonging to order Zoantharia > relating to suborder Achnaria > radiated actiniform1817 actinoid1846 1817 Jrnl. Acad. Nat. Sci. Philadelphia 1 152 The animal [sc. an actinia]..assuming the appearance of a madreporic animal, justified us in considering the latter, to a certain point, as actiniform animals. 1837 Philos. Trans. (Royal Soc.) 127 418 There yet remain two other types, which may be represented by Hydra and Actinia, the Hydriform and the Actiniform, or Zoanthiform polypes. 1912 J. R. Mohler et al. tr. F. Hutyra & J. Marek Special Pathol. & Therapeutics I. 667 Morbid processes produced by fungi... They do not form actiniform colonies. 1961 Proc. National Acad. Sci. U.S.A. 47 1706 Ovoid and actiniform bodies and meshwork filaments are found in stromatolitic portions of the chert. 2001 R. G. Barry & A. M. Carleton Synoptic & Dynamic Climatol. ii. 21 Actiniform cloud patterns in areas of subsidence were..discovered through satellite image analysis. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < adj.1817
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