Drummond light
n.
"torch that burns calcium oxide (lime) and gives off intense white light," 1854, named for Scottish engineer Capt. Thomas Drummond, R.E., (1797-1840), who invented it c.1825.
| 词汇 | Drummond light |
| 词根词缀 | Online Etymology Dictionary Drummond light n. "torch that burns calcium oxide (lime) and gives off intense white light," 1854, named for Scottish engineer Capt. Thomas Drummond, R.E., (1797-1840), who invented it c.1825. |
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