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单词 actinomorphous
释义

actinomorphousadj.

Brit. /ˌaktᵻnə(ʊ)ˈmɔːfəs/, U.S. /ˌæktənoʊˈmɔrfəs/
Origin: Formed within English, by compounding; probably modelled on a German lexical item. Etymons: actino- comb. form, -morphous comb. form.
Etymology: < actino- comb. form + -morphous comb. form, probably after German actinomorph (1865 or earlier). Compare scientific Latin Actinomorpha ( H.-M. D. de Blainville De l'organisation des animaux (1822), epithet of radiate animals), French actinomorphe, adjective and noun (1842, in zoology).
Botany.
= actinomorphic adj.
ΘΚΠ
the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > monosymmetrical or polysymmetrical
monosymmetrical1875
polysymmetrical1875
actinomorphous1879
actinomorphic1880
polysymmetric1992
the world > matter > light > [adjective] > emitting rays > of the nature of or resembling rays
radiant1509
radial1570
radious1692
streamy1718
beam-like1820
actinomorphous1879
1879 A. Gray in A. Gray & G. L. Goodale Bot. Text-bk. (ed. 6) I. 175 (note) Both these forms [sc. monosymmetrical and polysymmetrical] have a more expressive and older terminology, adopted by Eichler, viz.:—..Actinomorphous for flowers, &c., which can be bisected in two or more planes into similar halves.
1927 Ecology 8 118 Bees make 74.5 per cent of 1,124 visits to zygomorphous flowers and 40.8 of 12,847 visits to actinomorphous.
2006 C. Den Hartog & J. Kuo in A. W. D. Larkum et al. Seagrasses i. 3/1 Flowers actinomorphous, bisexual, consisting of three stamens with large connectives.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).
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adj.1879
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