1. 
   Dynactinometer
   Dy·nac`ti·nom'e·ter noun [ Greek ... power + English actinometer .] An instrument for measuring the intensity of the photogenic (light-producing) rays, and computing the power of object glasses.
   Found op http://www.encyclo.co.uk/webster/D/134
   
   
2. 
   Dynactinometer
   • (n.) An instrument for measuring the intensity of the photogenic (light-producing) rays, and computing the power of object glasses.
   Found op http://thinkexist.com/dictionary/meaning/dynactinometer/
   
   

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