Dictionary.com
Thesaurus.com
Showing results for photodissociation. Search instead for M+Technology+Association.

photodissociation

American  
[foh-toh-di-soh-see-ey-shuhn, -shee-] / ˌfoʊ toʊ dɪˌsoʊ siˈeɪ ʃən, -ʃi- /

noun

  1. the dissociation or breakdown of a chemical compound by radiant energy.

Etymology

Origin of photodissociation

First recorded in 1920–25; photo- + dissociation

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.

The Horsehead Nebula is a well-known photodissociation region, or PDR.

From Science Daily • Apr. 30, 2024

Theoretically, there could have been some production of oxygen by photodissociation of water vapor in ultraviolet light, but not much.

From "The Lives of a Cell" by Lewis Thomas

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.