单词 | carbon lamp |
释义 | > as lemmascarbon lamp carbon lamp n. = carbon light n. (b).With quot. 1879 cf. Jablochkoff n. ΚΠ 1879 Manufacturer & Builder Aug. 173/1 The electric carbon lamps or candles of Jablochkoff were very defective. 1950 L. E. Hawker Physiol. Fungi vi. 183 Those [sporangiophores] of Pilobolus turn towards a tungsten lamp, which emits a high proportion of blue rays, more readily than to a carbon lamp of twice the total candle-power. 1992 Business Hist. Rev. 66 312 GE's and National's carbon lamps were considerably more expensive than those of some independent manufacturers. < as lemmas |
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