diactinic

[ dahy-ak-tin-ik ]
/ ˌdaɪ ækˈtɪn ɪk /
|

adjective Physics.

capable of transmitting actinic rays.

Origin of diactinic

First recorded in 1865–70; di-3 + actinic
Related formsdi·ac·tin·ism, noun
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British Dictionary definitions for diactinic

diactinic

/ (ˌdaɪækˈtɪnɪk) /

adjective

physics able to transmit photochemically active radiation

Derived Formsdiactinism, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012