evanescent

the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting.

to speak ill of; defame; slander.

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Collins

World English Dictionary

evanescent (ˌɛvəˈnɛs^ənt)

—*adj*
1.	passing out of sight; fading away; vanishing
2.	ephemeral or transitory

eva'nescence

—n

eva'nescently

—*adv*

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline

Word Origin & History

evanescent

1717, from L. evanescentem (nom. evanescens), prp. of evanescere "disappear, vanish," from ex- "out" + vanescere "vanish."

American Heritage

Medical Dictionary

evanescent ev·a·nes·cent (ěv'ə-něs'ənt)
adj.
Of short duration; passing away quickly.

Example sentences

Although there might be an evanescent small amount of electromagnetic radiation

there is absolutely no proof of damage by that.

It was an evanescent moment, captured in the pop of a photographer's flashbulb.

The evanescent modes decay rapidly and therefore do not propagate.

Elusive and evanescent, the rainbow has generated wonder and speculation .

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Matching Quote

"Preoccupied with her self, the adolescent sees enormous changes, whereas the parent sees the child she knew all along. For the parent, new developments are superficial and evanescent. For the adolescent, they are thrilling and profound."

-Terri Apter