单词 | mammal |
释义 | mammaln.adj.2 A. n. An animal of the vertebrate class Mammalia, the members of which are characterized by having mammary glands that secrete milk to feed the young.All mammals are homoeothermic and at least partially covered with hair. They are further characterized by the possession of four-chambered hearts, thoracic diaphragms, and specialized teeth and auditory ossicles. The three groups of mammals are the primitive egg-laying monotremes (subclass Prototheria), and the viviparous marsupials (infraclass Metatheria) and placental mammals (infraclass Eutheria); the last includes rodents, bats, whales, ungulates, carnivores, humans, and non-human primates. ΘΚΠ the world > animals > mammals > [noun] > mammal milker1801 mammal1813 mammifer1826 mammalian1835 suckler1850 1813 J. M. Good et al. Pantologia at Mammalia We have hence thought ourselves justified in vernaculizing the Latin term, and translating mammalia mammals, or breasted-animals. 1822 J. M. Good Study Med. III. 19 In the elephant, oppossum, seal, cat kind, and various other mammals, all birds, and all fishes we find a third eye-lid, or nictitating membrane. 1845 R. Chambers Vestiges Nat. Hist. Creation (ed. 4) 199 The ornithorhynchus is a mammal receding to near the grade of birds. 1859 C. Darwin Origin of Species ix. 303 One true mammal has been discovered in the new red sandstone. 1859 ‘G. Eliot’ Adam Bede I. i. vii. 151 There is one order of beauty which seems made to turn the heads..of all intelligent mammals, even of women. a1902 S. Butler Way of All Flesh (1903) lxxix. 364 I should prescribe for Mr. Pontifex a course of the larger mammals. 1927 J. B. S. Haldane & J. S. Huxley Animal Biol. xi. 240 The mammals..possess proper temperature regulation. 1948 A. C. Kinsey et al. Sexual Behavior Human Male xviii. 577 It is the basic, oral eroticism of the mammal which is concerned in all mouth-genital relations. 1950 J. B. Sumner & K. Myrbäck Enzymes I. i. 20 It is likely that such food proteins..are elaborated to serve as sources of amino acids for the suckling mammal or for the incubating embryo. 1960 H. S. Zim Guide to Everglades 24 Manatee or sea-cow is a large (10–12 ft.), timid, ungainly aquatic mammal. 1978 C. Trillin Alice, let's Eat 37 People in the area seem willing to barbecue just about any extant mammal. 1991 S. J. Gould Bully for Brontosaurus xviii. 272 The neighbouring marsupials, with their pouches and tiny joeys, had already compromised the noble name of mammal. 1993 N.Y. Times 8 June c1/1 In a lush primeval forest of Vietnam..scientists have identified an entirely new species of mammal. B. adj.2 (attributive). Of, relating to, or of the nature of a mammal or mammals. ΘΚΠ the world > animals > mammals > [adjective] mammiferous1802 mammalian1813 mammalial1835 mammal1840 mammaliferous1874 1840 C. S. Rafinesque Amenities of Nature in Good Bk. No. 1. 9 The sucklers or mammal animals. 1844 R. Chambers Vestiges Nat. Hist. Creation 201 In the mammal fœtus,..the organ has the form of a prolonged tube. 1879 tr. E. Haeckel Evol. Man I. i. 3 Amphibian and Mammal forms. 1902 Pop. Sci. Monthly Sept. 436 A whale may be alluded to as a gigantic mammal or a mammal giant. 1957 P. J. Darlington Zoogeogr. vii. 469 A small fraction of the Oriental mammal fauna extends for a considerable distance across Wallace's Line. 1988 Conservation Biol. 2 336 Species richness of small mammal communities..directly correlated with shelterbelt length. 1994 Nature 24 Mar. 298/2 This island-continent has until now yielded no confirmed pre-Holocene mammal fossils. Derivatives ˈmammal-like adj. resembling a mammal; mammal-like reptile Zoology = synapsid n. ΚΠ 1944 Special Papers Geol. Soc. Amer. 55 105 There is a tendency for the fossa to become more posterior in relation to the sacculo-cochlear recess and to assume a mammal-like position. 1958 W. E. Swinton Fossil Amphibians & Reptiles (ed. 2) ix. 52 This feature is unusual in reptiles, though it is developed in some mammal-like reptiles and in the mammals. 1968 A. S. Romer Procession of Life xiii. 235 This is the region most famous for fossils of mammal-like reptiles. 1972 McGraw-Hill Yearbk. Sci. & Technol. 1971 405/1 One jaw fragment was identified by Golbert as the mammallike reptile Lystrosaurus. 1985 N.Y. Times 8 Sept. vii. 28/3 The heroine and her lover..come to a planet where a vast forest has evolved with giant blooms and fruits that rely on mammal-like creatures for pollination. 1991 N. Eldredge Fossils vi. 175 (caption) Endothiodon angusticeps, a dicynodont (primitive mammal-like reptile). 1996 New Scientist 3 Feb. 38/1 Thousands of fossilised mammal-like reptiles, or therapsids, have been unearthed from the Karoo. This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022). † mammaladj.1 Obsolete. rare. Of the mammae or breasts. ΚΠ 1656 T. Blount Glossographia at Vein Mammal veine (vena mammalis) is double, an inward and an outward one, distributed among the parts of the brest. [From Cotgrave, Veine mammale.] This entry has been updated (OED Third Edition, June 2000; most recently modified version published online December 2018). < n.adj.21813adj.11656 |
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