| 单词 | sharp gas |
| 释义 | > as lemmassharp gas d. In various technical collocations, as sharp lime, ? unslaked lime; sharp vat (Dyeing), a vat containing a considerable excess of lime (Ure Dict. Arts 1839, p. 674); sharp gas (see quot. 1886). ΘΚΠ society > occupation and work > materials > derived or manufactured material > lime materials > [noun] > quicklime quicklimea1400 calx1581 lime-chalk1637 roche lime1721 shells1743 sharp lime1772 the world > matter > gas > [noun] > fumes or vapour > explosive gas in mines > fire-damp mixed with air gas1816 sharp gas1886 1772 T. Simpson Compl. Vermin-killer 15 If you sow sharp lime with the grain. 1886 Times 12 Apr. 9/3 Miners had..discovered that some outbursts of gas are what they call ‘sharp’, and are capable of forming a dangerous mixture with much less warning than is usually given. The experiments of the Commissioners show that the ‘sharp’ gas of the miners contains a larger proportion of marsh gas. < as lemmas |
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