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radiometer n. 輻射計,放射計 輻射計,放射計 radiometer 輻射計 radiometer n 1: meter to detect and measure radiant energy (electromagnetic or acoustic) Radiometer \Ra`di*om"e*ter\ (r[=a]`d[i^]*[o^]m"[-e]*t[~e]r), n. [L. radius radius -meter: cf. F. radiom[`e]tre.] 1. (Naut.) A forestaff. [1913 Webster] 2. (Physics) An instrument designed for measuring the mechanical effect of radiant energy. [1913 Webster] Note: It consists of a number of light disks, blackened on one side, placed at the ends of extended arms, supported on a pivot in an exhausted glass vessel. When exposed to rays of light or heat, the arms rotate. [1913 Webster]
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