say it: ev-uh-NES-uhns
evanescence is a noun meaning "the event of fading and gradually vanishing from sight". It is pronounced /ˌɛvəˈnɛsəns/ — ev-uh-NES-uhns. It carries one recorded sense.
the event of fading and gradually vanishing from sight
“the evanescence of the morning mist”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for evanescence come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.