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layer |
Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Wikipedia, Hutchinson | 0.06 sec. |
layer(1) One of several "drawing boards" or "canvasses" for creating elements in a picture. See layers. layer 1. one of four or more levels of vegetation defined in ecological studies: the ground or moss layer, the field or herb layer, the shrub layer, and one or more tree layers 2. a laying hen 3. Horticulture a. a shoot or branch rooted during layering b. a plant produced as a result of layering layer [′lāยทər] (computer science) One of the divisions within which components or functions are isolated in a computer system with layered architecture or a communications system with layered protocols. (geology) A tabular body of rock, ice, sediment, or soil lying parallel to the supporting surface and distinctly limited above and below. (geophysics) One of several strata of ionized air, some of which exist only during the daytime, occurring at altitudes between 30 and 250 miles (50 and 400 kilometers); the layers reflect radio waves at certain frequencies and partially absorb others. (metallurgy) The stratum of weld metal consisting of one or more passes and lying parallel to the welding surface.
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Each wave of time contributes its alluvium, each race deposits its layer on the monument, each individual brings his stone. But the Pequod was only making a passage now; not regularly cruising; nearly all whaling preparatives needing supervision the mates were fully competent to, so that there was little or nothing, out of himself, to employ or excite Ahab, now; and thus chase away, for that one interval, the clouds that layer upon layer were piled upon his brow, as ever all clouds choose the loftiest peaks to pile themselves upon. Now, however preposterous it may at first seem to talk of any creature's skin as being of that sort of consistence and thickness, yet in point of fact these are no arguments against such a presumption; because you cannot raise any other dense enveloping layer from the whale's body but that same blubber; and the outermost enveloping layer of any animal, if reasonably dense, what can that be but the skin? |
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