英语词汇gnatho-的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

gnatho-|ˈneɪθəʊ|Combining form of Gr. γνάθος jaw, as in gnathoˈcephalon (see quot. 1935); hence gnathoceˈphalic a.; gnathochiˈlarium, a mouth-part found in Diplopoda; gnathodynaˈmometer (see quot. 1969); gnathoˈsoma, ˈgnathosome (see quot. 1964); hence gnathoˈsomal a.; gnathoˈtheca, the horny covering of the lower beak of a bird.1935R. E. Snodgrass Princ. Insect Morphol. vi. 102 The gnathocephalon is the region of the insect head that supports the mandibles, the maxillae, and the labium.1964R. M. & J. W. Fox Introd. Compar. Ent. ii. 42 The gnathocephalon bears the mouthparts.Ibid., The gnathocephalic ganglia frequently are fused into a single mass.1887Ann. New York Acad. Sci. June 39 This genus [sc. Nannolene]..approaches Julomorpha, especially in the construction of the gnathochilarium.1964R. M. & J. W. Fox Introd. Compar. Ent. iii. 85 Diplopods have an accessory feeding structure located behind and between the mandibles, a highly modified affair called the gnathochilarium.1959New Scientist 2 Apr. 736/1 Many devices [for measuring biting power] have been produced.., with the titles of oral force-meters or gnathodynamometers.1969Gloss. Terms Dentistry (B.S.I.) 75 Gnathodynamometer, an instrument for measuring the force exerted in closing the jaws.1948Smithsonian Misc. Coll. CX. x. 61 The distinctive feature relating to the feeding apparatus of the Acarina is the presence of a discrete head structure carrying the mouth parts, known as the capitulum, capitellum, or gnathosoma.1959T. E. Hughes Mites x. 135 The gnathosoma is movable on the rest of the body and is well sclerotized... The gnathosomal roof consists of the fused tergites of the segments concerned.1964R. M. & J. W. Fox Introd. Compar. Ent. iii. 81 The large, complex order Acarida is characterized by the presence of a gnathosome (capitulum) formed from anterior segments and having the appearance of a little head bearing the mouthparts.1870Baird & Cooper Ornithol. I. 567 Gnathotheca, the covering of the lower jaw.1889Cent. Dict., Gnathotheca.1890E. Coues Handbk. Field & Gen. Ornithol. ii. iii. 151 The entire covering of both jaws together is called rhamphotheca..of the under, gnathotheca..but these terms are not much used.1959Van Tyne & Berger Fund. Ornith. ii. 31 The oral cavity is bounded by the horny coverings of the upper (rhinotheca) and lower (gnathotheca) mandibles.

gnatho-

before vowels gnath-, word-forming element meaning "jaw, mouth part, beak (of a bird)," from Greek gnathos "jaw" (see gnathic).

gnatho- /ˈneɪθəʊ/ combining form of Greek gnathos jaw, forming terms chiefly in Zoology: see -o-.

DERIVATIVE gnathobase noun (Zoology) a process on the proximal part of a segmented limb in some arthropods which is used to bite or crush food L19.
gnathoˈbasic adjective (Zoology) of, pertaining to, or of the nature of a gnathobase E20.
gnathochiˈlarium noun [Greek kheilos lip] Zoology a platelike structure in the floor of the mouth of a millipede L19.
gnathoˈstomatous adjective = gnathostome adjective L19.
gnathostome noun & adjective (of, pertaining to, or designating) a vertebrate with fully developed upper and lower jaws E20.

gnatho-
combining form
see gnath-

词汇	gnatho-
词根词缀	OED Online Etymology Dictionary SOED Webster gnatho-\|ˈneɪθəʊ\|Combining form of Gr. γνάθος jaw, as in gnathoˈcephalon (see quot. 1935); hence gnathoceˈphalic a.; gnathochiˈlarium, a mouth-part found in Diplopoda; gnathodynaˈmometer (see quot. 1969); gnathoˈsoma, ˈgnathosome (see quot. 1964); hence gnathoˈsomal a.; gnathoˈtheca, the horny covering of the lower beak of a bird.1935R. E. Snodgrass Princ. Insect Morphol. vi. 102 The gnathocephalon is the region of the insect head that supports the mandibles, the maxillae, and the labium.1964R. M. & J. W. Fox Introd. Compar. Ent. ii. 42 The gnathocephalon bears the mouthparts.Ibid., The gnathocephalic ganglia frequently are fused into a single mass.1887Ann. New York Acad. Sci. June 39 This genus [sc. Nannolene]..approaches Julomorpha, especially in the construction of the gnathochilarium.1964R. M. & J. W. Fox Introd. Compar. Ent. iii. 85 Diplopods have an accessory feeding structure located behind and between the mandibles, a highly modified affair called the gnathochilarium.1959New Scientist 2 Apr. 736/1 Many devices [for measuring biting power] have been produced.., with the titles of oral force-meters or gnathodynamometers.1969Gloss. Terms Dentistry (B.S.I.) 75 Gnathodynamometer, an instrument for measuring the force exerted in closing the jaws.1948Smithsonian Misc. Coll. CX. x. 61 The distinctive feature relating to the feeding apparatus of the Acarina is the presence of a discrete head structure carrying the mouth parts, known as the capitulum, capitellum, or gnathosoma.1959T. E. Hughes Mites x. 135 The gnathosoma is movable on the rest of the body and is well sclerotized... The gnathosomal roof consists of the fused tergites of the segments concerned.1964R. M. & J. W. Fox Introd. Compar. Ent. iii. 81 The large, complex order Acarida is characterized by the presence of a gnathosome (capitulum) formed from anterior segments and having the appearance of a little head bearing the mouthparts.1870Baird & Cooper Ornithol. I. 567 Gnathotheca, the covering of the lower jaw.1889Cent. Dict., Gnathotheca.1890E. Coues Handbk. Field & Gen. Ornithol. ii. iii. 151 The entire covering of both jaws together is called rhamphotheca..of the under, gnathotheca..but these terms are not much used.1959Van Tyne & Berger Fund. Ornith. ii. 31 The oral cavity is bounded by the horny coverings of the upper (rhinotheca) and lower (gnathotheca) mandibles. gnatho- before vowels gnath-, word-forming element meaning "jaw, mouth part, beak (of a bird)," from Greek gnathos "jaw" (see gnathic). gnatho- /ˈneɪθəʊ/ combining form of Greek gnathos jaw, forming terms chiefly in Zoology: see -o-. DERIVATIVE gnathobase noun (Zoology) a process on the proximal part of a segmented limb in some arthropods which is used to bite or crush food L19. gnathoˈbasic adjective (Zoology) of, pertaining to, or of the nature of a gnathobase E20. gnathochiˈlarium noun [Greek kheilos lip] Zoology a platelike structure in the floor of the mouth of a millipede L19. gnathoˈstomatous adjective = gnathostome adjective L19. gnathostome noun & adjective (of, pertaining to, or designating) a vertebrate with fully developed upper and lower jaws E20. gnatho- combining form see gnath-
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