absorptance

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English[edit]

Etymology[edit]

Circa 20th century, from absorption +‎ -ance.

Pronunciation[edit]

  • (Received Pronunciation) IPA(key): /əbˈzɔːp.tn̩s/
  • (US) IPA(key): /æbˈsɔɹp.tn̩s/, /æbˈzɔɹp.tn̩s/, /əbˈsɔɹp.tn̩s/, /əbˈzɔɹp.tn̩s/, IPA(key): /æbˈsɔɹp.tn̩ts/, /æbˈzɔɹp.tn̩ts/, /əbˈsɔɹp.tn̩ts/, /əbˈzɔɹp.tn̩ts/

Noun[edit]

absorptance (plural absorptances)

  1. (optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation. [First attested in the mid 20th century.][1]

See also[edit]

Translations[edit]

References[edit]

  1. ^ “absorptance” in Lesley Brown, editor-in-chief; William R. Trumble and Angus Stevenson, editors, The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, 2002, ISBN 978-0-19-860457-0, page 9.