单词 | infrared |
释义 | infrared /in'freuh red"/, n. 1. the part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nm to 1 mm. adj. 2. noting or pertaining to the infrared or its component rays: infrared radiation. Cf. ultraviolet. Also, infra-red. [1825-35; INFRA- + RED1] |
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