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单词 mercurial trough
释义

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mercurial trough
mercurial trough n. Chemistry Obsolete a pneumatic trough in which the liquid is mercury.
ΚΠ
1800 H. Davy Res. Nitrous Oxide i. ii. 58 A great quantity of gas was collected in the water apparatus; of this the first portions were rejected, and the last transferred to the mercurial trough.
1880 Philos. Trans. (Royal Soc.) 171 1025 One of these flasks having been carefully filled with mercury and inverted over the mercurial trough, the hydrogen was collected in it.
extracted from mercurialn.adj.
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