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diactinic

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

adjective

Physics.

  1. capable of transmitting actinic rays.

diactinic British  
/ ˌdaɪækˈtɪnɪk /

adjective

  1. physics able to transmit photochemically active radiation

"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

Other Word Forms

  • diactinism noun

Etymology

Origin of diactinic

First recorded in 1865–70; di- 3 + actinic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This is what is wanted, more than colour, diactinic lenses, multiplication of impressions, or anything else.

From Notes and Queries, Number 192, July 2, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.