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Meaning of ACTINISM

Pronunciation:  'aktu`nizum

 
WordNet Dictionary
 
 Definition: 
[n]  the property of radiation that enables it to produce photochemical effects
 

ACTINISM is a 8 letter word that starts with A.

 

 See Also: property

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Ac"tin*ism\, n. [Gr. ?, ? ray.]
The property of radiant energy (found chiefly in solar or
electric light) by which chemical changes are produced, as in
photography.

 

 

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