etymology (origin) of the word actinic???

[scrapman]

I (we) use the word actinic all the time.... what exactly is the root/etymology/origin of this word???
Thanks

 

[princess8077]

Originally Posted by scrapman
I (we) use the word actinic all the time.... what exactly is the root/etymology/origin of this word???
Thanks
http://dictionary.reference.com/browse/actinic
That's the best I could do on the fly.
P.S. Hope Im not in trouble for posting a websight even tho it's not a compet. sight, but rather reference!

Oops, sorry I thought it had the info you wanted included in it! my bad

 

[reefkprz]

ETYMOLOGY: From Greek akts, aktn-, ray
(note this is only for the root of the word actin)