| 单词 | gumming-up |
| 释义 | > as lemmasgumming-up b. The deposition of gum by petroleum products (see gum n.2 1j); the clogging of an engine as a result of this. Also gumming-up. ΘΚΠ the world > matter > constitution of matter > density or solidity > viscosity > [noun] > becoming or making viscous > deposition of viscous matter from petroleum gumming1915 society > occupation and work > equipment > machine > machines which impart power > engine > [noun] > clogging due to deposit gumming-up1915 1915 Jrnl. Inst. Petroleum Technologists 1 179 Any oil which was to be used satisfactorily in a motor-car must naturally have the terpene products removed, otherwise gumming took place, and the valves became clogged. 1927 Daily Express 15 July 9 The total absence of ‘gumming-up’ of piston rings. 1935 Nature 14 Sept. 413/1 Even the schoolboy and his sister talk glibly of anti~knock and gumming. 1942 A. W. Judge Automobile Engines (ed. 4) vii. 307 Important claims in regard to non~oxidising, gumming and sludging tendencies have been made for such oils. 1961 G. Claxton Benzoles xiv. 705 The extensive use of cracked petrols for blending purposes..has drawn attention to the important problem of the gumming of internal-combustion engines when run on fuels containing unsaturateds. < as lemmas |
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