最終更新日：2024/08/03
(historical) A lamp placed below the oil tube of an Argand lamp to keep the oil limpid on cold nights; used especially in lighthouses.
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frost lamp
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元となった辞書の項目
(historical) A lamp placed below the oil tube of an Argand lamp to keep the oil limpid on cold nights; used especially in lighthouses.
frost lamp
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