tetramerousadj.

/tɪˈtramərəs/

Etymology: < French tétramère (1817 in Cuvier, designating beetles with tarsi composed of four segments, < ancient Greek τετραμερής quadripartite (in Aristotle et al.)) + -ous suffix. Compare -merous comb. form. The graphic abbreviation 4-merous may represent a separate word with the pronunciation /ˈfɔːmərəs/ (compare five-merous adj.).

Having, consisting of, or characterized by four parts: spec.:

a. Botany. Having the parts of the flower-whorl in series of four. (Often written 4-merous.)

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having specific arrangement or number of member parts

regular1760

decandrous1808

irregular1826

tetramerous1835

pentamerous1848

symmetrical1849

hexamerous1857

isomerous1857

octamerous1857

anisomerous1861

octomeral1871

hemicyclic1875

zygomorphic1875

zygomorphous1879

tetracyclic1880

heteromerous1882

heterocyclic1895

oligomerous1897

pleiomerous1898

decasepalous-

1835 J. Lindley Introd. Bot. (1848) I. 316 Tetramerous, if [a flower consists of organs] in fours.

1857 A. Henfrey Elem. Course Bot. 230 Papaveraceæ... Flowers regular, 2-merous or 4-merous.

1869 C. Darwin Origin of Species (ed. 5) iv. 154 All the other flowers on the plant are tetramerous.

1957 Encycl. Brit. IX. 410/2 A flower in which the parts are arranged in twos is dimerous; in threes, fours or fives, trimerous, tetramerous or pentamerous respectively.

b. Entomology. Having the tarsi four-jointed, as the Tetramera among Coleoptera.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [adjective] > of leg(s) > of or relating to tarsus > having tarsi four-jointed

tetramerous1826

1826 W. Kirby & W. Spence Introd. Entomol. III. xxxv. 684 Tetramerous insects are those in which all the tarsi consist of four joints.

1861 R. T. Hulme tr. C. H. Moquin-Tandon Elements Med. Zool. ii. iii. vi. 157 A tetramerous Coleopter belonging to the family Rhyncophora.

c. Having four rays, as a starfish.

Derivatives

teˈtrameral adj. having parts in fours; also, belonging to the Tetrameralia, a subdivision of the Hydrozoa Acraspeda in Claus's classification.

tetrameˈralian adj. and n. (a) adj. = tetrameral adj.; (b) n. a member of the Tetrameralia.

ΚΠ

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 789 I. Tetrameralia: with four radial sectors... II. Octomeralia: with eight sectors.]

ˈtetramere n. a division of the fourth order in the supporting reticular skeleton of the extinct siliceous sponges ( Cent. Dict. Suppl. 1909).

teˈtramerism n. the condition of being tetramerous; division into four parts or into sets of four.

ΘΚΠ

the world > relative properties > number > specific numbers > four > [noun] > division into four

quadrature1578

quadripartitiona1661

quadrisection1673

quadripartiting1702

tetrachotomy1858

tetramerism1888

1888 Amer. Naturalist 22 941 The morphological significance of the primary subdivision into four or tetramerism of the germ-bands of Stenobothrus and Œcanthus.

1899 New Sydenham Soc. Lexicon Tetramerism.

This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2021).

单词	tetramerous
释义	tetramerousadj. /tɪˈtramərəs/ Etymology: < French tétramère (1817 in Cuvier, designating beetles with tarsi composed of four segments, < ancient Greek τετραμερής quadripartite (in Aristotle et al.)) + -ous suffix. Compare -merous comb. form. The graphic abbreviation 4-merous may represent a separate word with the pronunciation /ˈfɔːmərəs/ (compare five-merous adj.). Having, consisting of, or characterized by four parts: spec.: a. Botany. Having the parts of the flower-whorl in series of four. (Often written 4-merous.) ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having specific arrangement or number of member parts regular1760 decandrous1808 irregular1826 tetramerous1835 pentamerous1848 symmetrical1849 hexamerous1857 isomerous1857 octamerous1857 anisomerous1861 octomeral1871 hemicyclic1875 zygomorphic1875 zygomorphous1879 tetracyclic1880 heteromerous1882 heterocyclic1895 oligomerous1897 pleiomerous1898 decasepalous- 1835 J. Lindley Introd. Bot. (1848) I. 316 Tetramerous, if [a flower consists of organs] in fours. 1857 A. Henfrey Elem. Course Bot. 230 Papaveraceæ... Flowers regular, 2-merous or 4-merous. 1869 C. Darwin Origin of Species (ed. 5) iv. 154 All the other flowers on the plant are tetramerous. 1957 Encycl. Brit. IX. 410/2 A flower in which the parts are arranged in twos is dimerous; in threes, fours or fives, trimerous, tetramerous or pentamerous respectively. b. Entomology. Having the tarsi four-jointed, as the Tetramera among Coleoptera. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [adjective] > of leg(s) > of or relating to tarsus > having tarsi four-jointed tetramerous1826 1826 W. Kirby & W. Spence Introd. Entomol. III. xxxv. 684 Tetramerous insects are those in which all the tarsi consist of four joints. 1861 R. T. Hulme tr. C. H. Moquin-Tandon Elements Med. Zool. ii. iii. vi. 157 A tetramerous Coleopter belonging to the family Rhyncophora. c. Having four rays, as a starfish. Derivatives teˈtrameral adj. having parts in fours; also, belonging to the Tetrameralia, a subdivision of the Hydrozoa Acraspeda in Claus's classification. tetrameˈralian adj. and n. (a) adj. = tetrameral adj.; (b) n. a member of the Tetrameralia. ΚΠ 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 789 I. Tetrameralia: with four radial sectors... II. Octomeralia: with eight sectors.] ˈtetramere n. a division of the fourth order in the supporting reticular skeleton of the extinct siliceous sponges ( Cent. Dict. Suppl. 1909). teˈtramerism n. the condition of being tetramerous; division into four parts or into sets of four. ΘΚΠ the world > relative properties > number > specific numbers > four > [noun] > division into four quadrature1578 quadripartitiona1661 quadrisection1673 quadripartiting1702 tetrachotomy1858 tetramerism1888 1888 Amer. Naturalist 22 941 The morphological significance of the primary subdivision into four or tetramerism of the germ-bands of Stenobothrus and Œcanthus. 1899 New Sydenham Soc. Lexicon Tetramerism. This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2021). < adj.1826
随便看	bay-swamp bay-trade bay-tree bay-vessel bay-windowed bay-wood bay-yarn bayadère bayanihan bayard bayard of ten toes bayard's bun bayardism bayardly bayards bayberries bayberry baybird baybow baybranch baybrown baycherry baycoloured baycraft baycrowned