actiniariann.adj.
/akˌtɪnɪˈɛːrɪən/, U.S. /ækˌtɪniˈɛriən/ Zoology.
A. n.
A cnidarian of the order Actiniaria; a sea anemone. Cf. actinian n.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > order Zoantharia > suborder Actiniaria > member of
sea-nettle1601
red nettle1611
sea-spout1731
anemone1742
sea-anemone1742
sea-mushroom1742
sea-pudding1750
actinia1752
sea-carnation1768
sea star-flower1768
sea-sunflower1768
sea-daisya1776
sea-marigolda1776
sea-torchthistlea1776
insect-flower1791
sea-flower1850
aurora1858
actiniarian1874
actinian1876
1874 Ann. & Mag. Nat. Hist. Jan. 40 In a polyparite (that is to say, in one of the calices of the polypary of an Actiniarian of whatever species)..there are radiating laminæ of various sizes.
1955 Proc. Royal Soc. 143 234 It is clear that in the column of an actiniarian the ectoderm and mesogloea act as a mere integument, and that the entire mechanically excitable system is endodermal.
2000 C. Tudge Variety of Life ii. vi. 221 All the familiar anemones of seaside and aquarium are actiniarians.
B. adj.
Belonging to or characteristic of the cnidarian order Actiniaria, comprising the sea anemones. Cf. actinian adj.
ΚΠ
1888 Q. Jrnl. Microsc. Sci. 29 149 A large opening which is homologous with the pore at the tip of some normal Actiniarian tentacles.
1955 Systematic Zool. 4 133/1 Macrobasic amastigophores were examined from all actiniarian families reported to possess them and were found to have threads.
2007 Biol. Bull. 213 115/1 The size..falls within the 110- to 1100-µm range previously recorded for other actiniarian eggs.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).
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n.adj.1874