trachy-

Word Origin

a combining form meaning “rough,” used in the formation of compound words:

trachycarpous.

Origin

combining form representing Greek trāchýs

Related Words

trachybasalt
trachycarpous
trachyspermous

trachy-|treɪkɪ|combining form, repr. Gr. τραχύ-ς rough, in a few modern scientific terms. trachyˈcarpous a. Bot. [Gr. καρπός fruit], rough-fruited. ˌtrachychroˈmatic a. [Gr. χρῶµα colour], applied to certain cells in bone-marrow which take a deep stain. trachyˈglossate Zool. [Gr. γλῶσσα tongue], a. belonging to the division Trachyglossa of octopod molluscs, having radular teeth upon the tongue; n. a trachyglossate octopod. ˌtrachymeˈdusan Zool., a. belonging to the order Trachymedusæ of Craspedote Hydrozoa; n. a hydrozoan of this order. trachynemid |-ˈniːmɪd| Zool. [Gr. νῆµα thread], a. belonging to the family Trachynemidæ of Craspedote Hydrozoa; n. a hydrozoan of this family. ˌtrachynote, a fish of the extinct genus Trachynōtus. ‖ trachyˈphonia Path. [mod.L. f. Gr. ϕωνή voice], roughness or hoarseness of voice. trachypteroid |trəˈkɪptərɔɪd| Ichth. [Gr. πτερόν wing, taken as = fin: see -oid], a. resembling or allied to the genus Trachypterus or family Trachypteridæ of spiny-finned fishes, including the ‘king of the salmon’, T. altivelis; n. a fish of this family. trachyˈspermous a. Bot. [Gr. σπέρµα seed], rough-seeded.1860Mayne Expos. Lex., Trachycarpus, having rough fruit,..*trachycarpous.1900in B. D. Jackson Gloss. Bot. Terms.1909Cent. Dict. Suppl., *Trachychromatic.1891Cent. Dict., *Trachyglossate.1890Q. Jrnl. Microsc. Sc. Feb. 511 No *Trachymedusan has been observed to pass through a hydroid phase.1888Rolleston & Jackson Anim. Life 751 In the family Aglauridæ, the Petasid sub-family Petachnidæ, and the *Trachynemid Pectyllidæ.1848Smart, *Trachynotes, rough-backed creatures— the generic name of a division of fossil fishes.1860Mayne Expos. Lex., *Trachyphonia, term for a rough voice.1891Cent. Dict., *Trachypteroid.Ibid., *Trachyspermous.1900in B. D. Jackson Gloss. Bot. Terms.b. Min. In names of rocks, taken as combining form of trachyte, and denoting an igneous rock or lava intermediate between trachyte and that denoted by the second element, as trachyˈandesite, trachyˈbasalt, trachyˈdolerite, trachyˈrhyolite.1888Cassell's Encycl. Dict., Trachybasalt, Trachydolerite.1897H. S. Washington Jrnl. Geol. (U.S.) May–June 351 For those intermediate effusive rocks in which the plagioclase occurring along with orthoclase is acid..the name trachyandesite, which is in use in France, will be reserved.Ibid., The intermediate potash-rich rocks..carry basic plagioclase-labradorite to anorthite—along with orthoclase, and such rocks will be called collectively in this paper by the name of trachydolerite,..proposed by Abich as far back as 1841.1909Cent. Dict. Suppl., Trachyrhyolite.

trachy- /treɪki/ combining form.

ORIGIN: In sense 1 directly from Greek trakhus rough; in sense 2 from trachyte.

1.Chiefly Botany. Forming nouns and adjectives with the sense ‘rough’, as trachycarpous, trachyspermous.

2.Geology. Forming names of igneous rocks with the sense ‘intermediate between trachyte and —’, as trachybasalt, trachyrhyolite.

trachy-
combining form
Etymology: in sense 1, from New Latin, from Greek, from trachys rough, harsh; in sense 2, from French, from trachyte — more at trachea
1. : rough : strong
< trachyglossate >
< trachychromatic >
2. : trachytic
< trachydolerite >
< trachyandesite >

词汇	trachy-
词根词缀	Dictionary.com OED SOED Webster trachy- Word Origin 1 a combining form meaning “rough,” used in the formation of compound words: trachycarpous. Origin combining form representing Greek trāchýs Related Words trachybasalt trachycarpous trachyspermous trachy-\|treɪkɪ\|combining form, repr. Gr. τραχύ-ς rough, in a few modern scientific terms. trachyˈcarpous a. Bot. [Gr. καρπός fruit], rough-fruited. ˌtrachychroˈmatic a. [Gr. χρῶµα colour], applied to certain cells in bone-marrow which take a deep stain. trachyˈglossate Zool. [Gr. γλῶσσα tongue], a. belonging to the division Trachyglossa of octopod molluscs, having radular teeth upon the tongue; n. a trachyglossate octopod. ˌtrachymeˈdusan Zool., a. belonging to the order Trachymedusæ of Craspedote Hydrozoa; n. a hydrozoan of this order. trachynemid \|-ˈniːmɪd\| Zool. [Gr. νῆµα thread], a. belonging to the family Trachynemidæ of Craspedote Hydrozoa; n. a hydrozoan of this family. ˌtrachynote, a fish of the extinct genus Trachynōtus. ‖ trachyˈphonia Path. [mod.L. f. Gr. ϕωνή voice], roughness or hoarseness of voice. trachypteroid \|trəˈkɪptərɔɪd\| Ichth. [Gr. πτερόν wing, taken as = fin: see -oid], a. resembling or allied to the genus Trachypterus or family Trachypteridæ of spiny-finned fishes, including the ‘king of the salmon’, T. altivelis; n. a fish of this family. trachyˈspermous a. Bot. [Gr. σπέρµα seed], rough-seeded.1860Mayne Expos. Lex., Trachycarpus, having rough fruit,..trachycarpous.1900in B. D. Jackson Gloss. Bot. Terms.1909Cent. Dict. Suppl., Trachychromatic.1891Cent. Dict., Trachyglossate.1890Q. Jrnl. Microsc. Sc. Feb. 511 No Trachymedusan has been observed to pass through a hydroid phase.1888Rolleston & Jackson Anim. Life 751 In the family Aglauridæ, the Petasid sub-family Petachnidæ, and the Trachynemid Pectyllidæ.1848Smart, Trachynotes, rough-backed creatures— the generic name of a division of fossil fishes.1860Mayne Expos. Lex., Trachyphonia, term for a rough voice.1891Cent. Dict., Trachypteroid.Ibid., Trachyspermous.1900in B. D. Jackson Gloss. Bot. Terms.b. Min.* In names of rocks, taken as combining form of trachyte, and denoting an igneous rock or lava intermediate between trachyte and that denoted by the second element, as trachyˈandesite, trachyˈbasalt, trachyˈdolerite, trachyˈrhyolite.1888Cassell's Encycl. Dict., Trachybasalt, Trachydolerite.1897H. S. Washington Jrnl. Geol. (U.S.) May–June 351 For those intermediate effusive rocks in which the plagioclase occurring along with orthoclase is acid..the name trachyandesite, which is in use in France, will be reserved.Ibid., The intermediate potash-rich rocks..carry basic plagioclase-labradorite to anorthite—along with orthoclase, and such rocks will be called collectively in this paper by the name of trachydolerite,..proposed by Abich as far back as 1841.1909Cent. Dict. Suppl., Trachyrhyolite. trachy- /treɪki/ combining form. ORIGIN: In sense 1 directly from Greek trakhus rough; in sense 2 from trachyte. 1.Chiefly Botany. Forming nouns and adjectives with the sense ‘rough’, as trachycarpous, trachyspermous. 2.Geology. Forming names of igneous rocks with the sense ‘intermediate between trachyte and —’, as trachybasalt, trachyrhyolite. trachy- combining form Etymology: in sense 1, from New Latin, from Greek, from trachys rough, harsh; in sense 2, from French, from trachyte — more at trachea 1. : rough : strong < trachyglossate > < trachychromatic > 2. : trachytic < trachydolerite > < trachyandesite >
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