单词 | conical projection |
例句 | Dog-tooth, dog′-tōōth, n. a moulding for doors and windows in later Norman architecture, consisting of a series of ornamented conical projections: a canine tooth. Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) 2011-10-11T02:01:08.990Z Skeleton-spicules smooth, feebly curved, sausage-shaped but by no means short, as a rule bearing at each end a minute conical projection which contains the extremity of the axial filament. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z Umbonata, having an umbo or conical projection like the boss of a shield. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth Upon this, forming part of the same block, or else firmly fixed into it, is a conical projection about two feet high, the sides slightly curving inwards. Museum of Antiquity A Description of Ancient Life As well as the pins a few bronze buttons have been found consisting of disks with the same conical projection, but having the pin replaced by a small bar at the back. The Bronze Age in Ireland In such leaves the disc of the leaf, rather than the margin, is increased and its surface is thrown up into little conical projections, which are hollow on the under side. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants This variety differs from the typical form in having its skeleton spicules covered with minute irregular spines or conical projections. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z Some men, oftener than women, show on the inturned margin of the ear-trumpet or pinna, a little conical projection of great interest. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told Bowl and pot shaped cooking vessels, plain and ornamented, with ears and small conical projections to facilitate handling while hot; among these are also enumerated paint pots, &c. Illustrated Catalogue of the Collections Obtained from the Pueblos of Zuñi, New Mexico, and Wolpi, Arizona, in 1881 Third Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1881-82, Government Printing Office, Washington, 1884, pages 511-594 They are all made to one scale, and on the conical projection—the simplest and best of all projections for maps of this sort. Half-hours with the Telescope Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction. They are lined with a delicate layer of protoplasm, as is likewise the short conical projection from which they arise. Insectivorous Plants A transparent conical projection formed of the external membrane arises at this point, and at the tip of the cone a white spot appears. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z "From the conical projections on the molars," said he, "this should be classed rather as a mastodon than as a mammoth." A journey in other worlds A romance of the future About three weeks usually elapse between the date at which the bud first appears as a minute conical projection on the surface of the parent and that at which it liberates itself. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z These latter support short conical projections, surmounted by two hemispherical cells in such close apposition that they appear united; but they often separate a little when immersed in certain fluids. Insectivorous Plants |
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