Actinometry

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Actinometry \Ac`ti*nom"e*try\, n.
     1. The measurement of the force of solar radiation. --Maury.
        [1913 Webster]
  
     2. The measurement of the chemical or actinic energy of
        light. --Abney.


        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  actinometry
       n : measuring the intensity of electromagnetic radiation
           (especially of the sun's rays)