monosiphonicadj.

Brit.

/ˌmɒnə(ʊ)sʌɪˈfɒnɪk/, U.S.

/ˌmɑnəˌsaɪˈfɑnɪk/

Origin: Formed within English, by compounding. Etymons: mono- comb. form, siphonic adj.

Etymology: < mono- comb. form + siphonic adj. Compare earlier monosiphonous adj., polysiphonic adj.

1. Zoology. Of the hydrocaulus of a colonial hydroid: composed of a single tube.

ΚΠ

1879 Philos. Trans. (Royal Soc.) 168 282 Hydrocaulus attaining a height of about an inch and a half, alternately and pinnately branched, monosiphonic.

1995 P. F. S. Cornelius et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe iv. 71/1 Order Hydroida... Stems and branches comprising a single tube are termed monosiphonic or simple, and those of two or more fused together are called polysiphonic or compound.

2. Botany. = monosiphonous adj.

ΘΚΠ

the world > plants > particular plants > algae > seaweed > [adjective] > of or belonging to type of seaweed

monosiphonous1853

rhodospermous1856

tetrasporic1857

tetrasporous1874

fucaceous1891

monosiphonic1899

laminaria1935

lithothamnion1935

lithothamnic1967

1899 Bot. Gaz. 28 214 (in figure) Ectocarpus.—fronds monosiphonic.

1912 Bot. Gaz. 54 443 The plants [sc. of Cutleria] were monosiphonic and some of them were in the reproduction stage.

1965 Bull. Torrey Bot. Club 92 48 Pollen tubes were seen to develop after division of the generative nucleus and were of the monosiphonic type.

This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).

单词	monosiphonic
释义	monosiphonicadj. Brit. /ˌmɒnə(ʊ)sʌɪˈfɒnɪk/, U.S. /ˌmɑnəˌsaɪˈfɑnɪk/ Origin: Formed within English, by compounding. Etymons: mono- comb. form, siphonic adj. Etymology: < mono- comb. form + siphonic adj. Compare earlier monosiphonous adj., polysiphonic adj. 1. Zoology. Of the hydrocaulus of a colonial hydroid: composed of a single tube. ΚΠ 1879 Philos. Trans. (Royal Soc.) 168 282 Hydrocaulus attaining a height of about an inch and a half, alternately and pinnately branched, monosiphonic. 1995 P. F. S. Cornelius et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe iv. 71/1 Order Hydroida... Stems and branches comprising a single tube are termed monosiphonic or simple, and those of two or more fused together are called polysiphonic or compound. 2. Botany. = monosiphonous adj. ΘΚΠ the world > plants > particular plants > algae > seaweed > [adjective] > of or belonging to type of seaweed monosiphonous1853 rhodospermous1856 tetrasporic1857 tetrasporous1874 fucaceous1891 monosiphonic1899 laminaria1935 lithothamnion1935 lithothamnic1967 1899 Bot. Gaz. 28 214 (in figure) Ectocarpus.—fronds monosiphonic. 1912 Bot. Gaz. 54 443 The plants [sc. of Cutleria] were monosiphonic and some of them were in the reproduction stage. 1965 Bull. Torrey Bot. Club 92 48 Pollen tubes were seen to develop after division of the generative nucleus and were of the monosiphonic type. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < adj.1879
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