ra·di·om·e·ter /ˌrediˈɑmətɚ/
  輻射計,放射計
  ra·di·om·e·ter /ˌredɪˈɑmətɚ/ 名詞
  放射計,輻射計,輻射儀
  radiometer
  輻射計
  Ra·di·om·e·ter n.
  1. Naut. A forestaff.
  2. Physics An instrument designed for measuring the mechanical effect of radiant energy.
  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.
  ◄ ►
  radiometer
       n : meter to detect and measure radiant energy (electromagnetic
           or acoustic)