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| 单词 | philosophical candle |
| 释义 | > as lemmasphilosophical candle ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > gaslight or lamp > using specific type of gas philosophical candle1747 thermo-lamp1828 oxygen lamp1874 1747 F. Watkins Particular Acct. Electr. Exper. 63 To make a philosophical candle with three ingredients, neither of which will burn separately. 1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 51 On this principle is constructed the philosophical candle, which cannot be easily blown out. Fill with hydrogen gas, a bell glass, furnished with a capillary tube; compress the gas.., apply a lighted taper to the upper extremity of the tube; the gas will take fire, and exhibit a candle, which will burn till all the gas is exhausted. 1861 M. Faraday Hist. Candle 88 There is the hydrogen burning. There is our philosophical candle. < as lemmas |
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