monostichousadj.

Brit.

/məˈnɒstᵻkəs/,

/ˌmɒnə(ʊ)ˈstʌɪkəs/, U.S.

/məˈnɑstəkəs/,

/ˌmɑnəˈstɪkəs/

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek μονο- , στίχος , -ous suffix.

Etymology: < ancient Greek μονο- mono- comb. form + στίχος row, line (see stich n.) + -ous suffix; compare -stichous comb. form. With sense 1 compare earlier monostic adj. In sense 2 after distichous adj., tristichous adj.R. G. Mayne gives a Latin form monostichus (see quot. 1857 at sense 1).

†1. Mineralogy. Designating a mineral occurring in prismatic crystals whose facets intersect at various different angles. Obsolete. rare.Apparently only attested in dictionaries or glossaries.

ΘΚΠ

the world > the earth > minerals > mineral structure or appearance > [adjective] > crystalline > crystal structure

monostic1816

pantogenous1816

isomorphous1828

polymorphous1848

monostichous1857

isomorphic1862

untwinned1879

allotriomorphic1887

xenomorphic1888

polymorphic1891

isostructural1906

isotypic1929

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Monostichus, applied by Haüy to a variety of the prism, the base of which is surrounded with facets which have different inclinations, as the Yenites monosticha: monostichous.

2. Biology. Arranged in a single vertical row, rank, or series on one side of an axis, as the flowers of certain grasses. Cf. earlier distichous adj.

ΚΠ

1866 J. Lindley & T. Moore Treasury Bot. II. 753/1 Monostichous, arranged in one row.

1879 Philos. Trans. (Royal Soc.) 168 283 [A hydroid coelenterate.] The mode in which the hydrothecæ..are all deflected to one side, causes them to appear to be monostichous.

1879 Bot. Gaz. 4 121 Probably no plant rising to any height has a stem with monostichous or one-ranked leaves.

1920 Science 16 July 51/1 The Shanghai variety..possessed other peculiarities [including] monostichous arrangement of the upper leaf blades.

1988 Canad. Jrnl. Bot. 66 339 Primary bracts are borne on the inflorescence in spiral monostichous phyllotaxy.

3. Zoology.

a. Having or consisting of only a single layer of cells below the lens in the eyes of certain arthropods. Now disused.

ΘΚΠ

the world > animals > animal body > general parts > [adjective] > consisting of single layer

monostichous1883

1883 E. R. Lankester & G. C. Bourne in Q. Jrnl. Microsc. Sci. 23 195 These may be called respectively Monostichous and Diplostichous eyes.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 492 [Arthropoda.] The hypodermic cells beneath the thickened cuticle constitute the ommateum, and remain either in a single or form a double layer; hence mono- or diplo-stichous. The monostichous ommateum is said to be apostatic when cup-shaped.

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.

b. Of the teeth of certain amphibians: arranged in a single row.

ΚΠ

1979 Arch. Histol. Japonicum 42 445 Adults of the neotenic (paedomorph) Necturus maculosus possess in the upper jaw and the palate rather uniform, conical, monocuspid teeth arranged in a single line (‘Zahnzeile’; monostichous pattern).

1990 Anatomischer Anzeiger 170 111 When fully developed, the primary teeth are unbladed-conical and divided. They are labio-marginal, monostichous and pleurally anchored.

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

单词	monostichous
释义	monostichousadj. Brit. /məˈnɒstᵻkəs/, /ˌmɒnə(ʊ)ˈstʌɪkəs/, U.S. /məˈnɑstəkəs/, /ˌmɑnəˈstɪkəs/ Origin: A borrowing from Greek, combined with an English element. Etymons: Greek μονο- , στίχος , -ous suffix. Etymology: < ancient Greek μονο- mono- comb. form + στίχος row, line (see stich n.) + -ous suffix; compare -stichous comb. form. With sense 1 compare earlier monostic adj. In sense 2 after distichous adj., tristichous adj.R. G. Mayne gives a Latin form monostichus (see quot. 1857 at sense 1). †1. Mineralogy. Designating a mineral occurring in prismatic crystals whose facets intersect at various different angles. Obsolete. rare.Apparently only attested in dictionaries or glossaries. ΘΚΠ the world > the earth > minerals > mineral structure or appearance > [adjective] > crystalline > crystal structure monostic1816 pantogenous1816 isomorphous1828 polymorphous1848 monostichous1857 isomorphic1862 untwinned1879 allotriomorphic1887 xenomorphic1888 polymorphic1891 isostructural1906 isotypic1929 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Monostichus, applied by Haüy to a variety of the prism, the base of which is surrounded with facets which have different inclinations, as the Yenites monosticha: monostichous. 2. Biology. Arranged in a single vertical row, rank, or series on one side of an axis, as the flowers of certain grasses. Cf. earlier distichous adj. ΚΠ 1866 J. Lindley & T. Moore Treasury Bot. II. 753/1 Monostichous, arranged in one row. 1879 Philos. Trans. (Royal Soc.) 168 283 [A hydroid coelenterate.] The mode in which the hydrothecæ..are all deflected to one side, causes them to appear to be monostichous. 1879 Bot. Gaz. 4 121 Probably no plant rising to any height has a stem with monostichous or one-ranked leaves. 1920 Science 16 July 51/1 The Shanghai variety..possessed other peculiarities [including] monostichous arrangement of the upper leaf blades. 1988 Canad. Jrnl. Bot. 66 339 Primary bracts are borne on the inflorescence in spiral monostichous phyllotaxy. 3. Zoology. a. Having or consisting of only a single layer of cells below the lens in the eyes of certain arthropods. Now disused. ΘΚΠ the world > animals > animal body > general parts > [adjective] > consisting of single layer monostichous1883 1883 E. R. Lankester & G. C. Bourne in Q. Jrnl. Microsc. Sci. 23 195 These may be called respectively Monostichous and Diplostichous eyes. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 492 [Arthropoda.] The hypodermic cells beneath the thickened cuticle constitute the ommateum, and remain either in a single or form a double layer; hence mono- or diplo-stichous. The monostichous ommateum is said to be apostatic when cup-shaped. 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. b. Of the teeth of certain amphibians: arranged in a single row. ΚΠ 1979 Arch. Histol. Japonicum 42 445 Adults of the neotenic (paedomorph) Necturus maculosus possess in the upper jaw and the palate rather uniform, conical, monocuspid teeth arranged in a single line (‘Zahnzeile’; monostichous pattern). 1990 Anatomischer Anzeiger 170 111 When fully developed, the primary teeth are unbladed-conical and divided. They are labio-marginal, monostichous and pleurally anchored. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < adj.1857
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