tetrapleuronn.

/tɛtrəˈplʊərɒn/

Forms: Plural tetrapleura or tetrapleurons.

Etymology: < Greek τετράπλευρον a figure with four sides, < τετρα- tetra- comb. form + πλευρόν rib, side.

1. A square column.

ΘΚΠ

society > leisure > the arts > visual arts > architecture > column > [noun] > specific types of columns

rockeOE

obelisk1587

lotus column1800

tetrapleuron1837

annulated column1842

engaged column1847

1837 Penny Cycl. IX. 315/1 Square pillars or tetrapleurons, with either a statue, or a caryatid figure standing before.

2. Biology. Plural tetraˈpleura n. Organic forms with bilateral symmetry having four antimeres or corresponding opposite parts. Cf. dipleura n.

ΘΚΠ

the world > life > biology > physical aspects or shapes > physical arrangement or condition > [noun] > symmetry

subequality1836

tetrapleuron1883

zygopleura1883

tetrasymmetry1889

1883 P. Geddes in Encycl. Brit. XVI. 844/2 The Zygopleura include forms bilaterally symmetrical in the strictest sense, in which not more than two radial planes, and these at right angles to each other, are present. Haeckel again divides these, according to the number of antimeres, into Tetrapleura and Dipleura.

Derivatives

tetraˈpleural adj. Biology zygopleural with four antimeres.

ΘΚΠ

the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > symmetrical or paired

subequal1763

didymous1785

didymated1843

didymate1876

tetrapleural1891

zygopleural-

1891 in Cent. Dict.

This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2018).

单词	tetrapleuron
释义	tetrapleuronn. /tɛtrəˈplʊərɒn/ Forms: Plural tetrapleura or tetrapleurons. Etymology: < Greek τετράπλευρον a figure with four sides, < τετρα- tetra- comb. form + πλευρόν rib, side. 1. A square column. ΘΚΠ society > leisure > the arts > visual arts > architecture > column > [noun] > specific types of columns rockeOE obelisk1587 lotus column1800 tetrapleuron1837 annulated column1842 engaged column1847 1837 Penny Cycl. IX. 315/1 Square pillars or tetrapleurons, with either a statue, or a caryatid figure standing before. 2. Biology. Plural tetraˈpleura n. Organic forms with bilateral symmetry having four antimeres or corresponding opposite parts. Cf. dipleura n. ΘΚΠ the world > life > biology > physical aspects or shapes > physical arrangement or condition > [noun] > symmetry subequality1836 tetrapleuron1883 zygopleura1883 tetrasymmetry1889 1883 P. Geddes in Encycl. Brit. XVI. 844/2 The Zygopleura include forms bilaterally symmetrical in the strictest sense, in which not more than two radial planes, and these at right angles to each other, are present. Haeckel again divides these, according to the number of antimeres, into Tetrapleura and Dipleura. Derivatives tetraˈpleural adj. Biology zygopleural with four antimeres. ΘΚΠ the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > symmetrical or paired subequal1763 didymous1785 didymated1843 didymate1876 tetrapleural1891 zygopleural- 1891 in Cent. Dict. This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2018). < n.1837
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