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单词 monomeniscous
释义

monomeniscousadj.

Brit. /ˌmɒnə(ʊ)mᵻˈnɪskəs/, U.S. /ˈˌmɑnəməˈnɪskəs/
Origin: Formed within English, by derivation. Etymons: mono- comb. form, meniscus n., -ous suffix.
Etymology: < mono- comb. form + meniscus n. + -ous suffix. Compare polymeniscous adj.
Zoology. Now disused.
Of the eye of an invertebrate: having only one lens.
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the world > animals > invertebrates > bodies or parts > [adjective] > having only one lens
monomeniscous1883
1883 E. R. Lankester & G. C. Bourne in Q. Jrnl. Microsc. Sci. 23 196 The closely-set groups of monomeniscous eyes of Myriapods.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 525 With the exception of the lateral eyes of Limulus,..Arachnidan eyes are always monomeniscous.
1902 E. R. Lankester in Encycl. Brit. XXV. 697/2 The monomeniscous eye is rarely provided with a single layer of cells beneath its lens; when it is so, it is called monostichous.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1883
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