单词 | radiometer |
释义 | ra·di·om·e·ter (rā′dē-ŏmĭ-tər) n. 1. A device that measures the intensity of radiant energy, consisting of a partially evacuated glass bulb containing lightweight vertical vanes, each blackened on one side, suspended radially about a central vertical axis to permit their revolution about the axis as a result of incident radiation. Also called light mill. 2. An instrument that detects electromagnetic radiation. ra′di·o·metric (-ō-mĕtrĭk) adj. ra′di·ome·try n. |
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