A ‘string’ of any viscid substance; a thin continuous stream of liquid, sand, etc.; a narrow strip of space; a fine line or streak of colour or…
| 单词 | θ216247 |
| 释义 | society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > marks or imperfections in (14) thread1593 A ‘string’ of any viscid substance; a thin continuous stream of liquid, sand, etc.; a narrow strip of space; a fine line or streak of colour or… streak1807 Glass-making. (See quot. 1807.) seed1821 Glass-making. A small bubble trapped in glass during its manufacture. Also as a mass noun. stripe1823 In glass, a streak differing in refractive power from the general mass. bull's-eye1832 A boss of glass, or the central protuberance formed in making a sheet of blown glass. stria1832 Glass-making. An imperfection in the form of a streak or band. tear1832 Anything resembling or suggesting a tear: see quots.; e.g. (a) a defect in glass caused by a small particle of vitrified clay: see quot. 1832; (b) a… bullion1834 Bull's eye in glass. wreath1839 A defect in glass, esp. flint glass, in which slight variations in density produce a wavy appearance. Also in plural in same sense. Obsolete. sand-hole1867 (a) a small hole or flaw in a casting, also in glass or stone; (b) a water-hole in sand; (c) a hole in sand. bullion-point1881 the point or end of a bulb that is being worked on a blowpipe; also, the thick centre of a disc of blown glass, the bull's-eye. pontil mark1923 a scar left on a piece of blown glass after the removal of the pontil rod. oil spot1962 A mark on glass caused by carbonization of oil. saliva1969 (See quot. 1969.) |
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