| 单词 | photogen |
| 释义 | photogen /foh"teuh jeuhn, -jen'/, n. 1. a light oil obtained by the distillation of bituminous shale, coal, or peat: once commercially produced chiefly as an illuminant and as a solvent. 2. Biol. a photogenic organ, organism, or substance. [1855-60; PHOTO- + -GEN] |
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