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单词 polysymmetric
释义

polysymmetricadj.

Brit. /ˌpɒlɪsᵻˈmɛtrɪk/, U.S. /ˈˌpɑlisəˈmɛtrɪk/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, symmetric adj.
Etymology: < poly- comb. form + symmetric adj. Compare earlier polysymmetrical adj. and the German word cited at that entry, and also earlier monosymmetric adj. 2.
Botany.
= polysymmetrical adj.
ΘΚΠ
the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > monosymmetrical or polysymmetrical
monosymmetrical1875
polysymmetrical1875
actinomorphous1879
actinomorphic1880
polysymmetric1992
1992 Internat. Jrnl. Plant Sci. 153 s114/2 Sibthorpia..has only weakly monosymmetric (superficially almost polysymmetric) flowers.
2001 Plant Systematics & Evol. 229 187 Although flowers [of Asteliaceae] are polysymmetric at anthesis, they are monosymmetric in earliest stages.
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
<
adj.1992
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