معنی کلمه : proratable
English
Capable of being prorated, or divided proportionately.
Pertaining to the measurement of the intensity of the solar rays, either (a) heating, or (b) actinic.

Capable of being prorated, or divided proportionately.
Pertaining to the measurement of the intensity of the solar rays, either (a) heating, or (b) actinic.