emit·​tance ē-ˈmi-tᵊn(t)s How to pronounce emittance (audio)
: the energy radiated by the surface of a body per second per unit area

Examples of emittance in a Sentence

Recent Examples on the Web In some instances, this transition results in the emittance of a photon, or light particle. Kenna Hughes-Castleberry, Discover Magazine, 16 Aug. 2023 In the Composer's Inspiration sound chamber gallery, there is barely any light save a deep red emittance. Stephanie Elam, CNN, 28 Sep. 2021 Close to 1,500 Amazon purchasers have deemed these outdoor lights a worthy purchase for their al fresco space, raving over their long-lasting durability and warm, white emittance of light. Isabelle Kagan, USA TODAY, 10 Aug. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'emittance.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1940, in the meaning defined at sense 1

Time Traveler
The first known use of emittance was in 1940

Dictionary Entries Near emittance

Cite this Entry

“Emittance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emittance. Accessed 23 Jul. 2024.

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