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Showing results for actinic. Search instead for acinic.
Synonyms

actinic

American  
[ak-tin-ik] / ækˈtɪn ɪk /

adjective

  1. pertaining to actinism.


actinic British  
/ ækˈtɪnɪk /

adjective

  1. (of radiation) producing a photochemical effect

"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

  • actinically adverb
  • actinism noun
  • nonactinic adjective
  • nonactinically adverb
  • unactinic adjective

Etymology

Origin of actinic

First recorded in 1835–45; actin- + -ic

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.

Two welders, their eyes protected from the blinding actinic rays of a powerful arc by brown glasses, worked behind them.

From Slate • Jun. 20, 2020

Ms. Rought said her “rule of thumb” was that 20 percent of actinic keratoses progress to cancer.

From New York Times • Nov. 20, 2017

Ms. Rought said it was not unusual for a skin check to lead her to to freeze as many as 30 precancerous lesions called actinic keratoses on a patient during a single visit.

From New York Times • Nov. 20, 2017

Prosecutors say Kolbusz falsely diagnosed patients with actinic keratosis, or sun-induced skin lesions that can potentially become cancerous.

From Washington Times • Oct. 21, 2014

After the drying of all the paints, it was decided that it would be of extreme interest to conduct a test on the resistance of certain paints to actinic light.

From Paint Technology and Tests by Gardner, Henry A.