This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Present participle of evanesce.

"Reclamation engineers anchored a timber raft on the surface with an evaporation pan, a flat tin saucer equipped with instruments that could measure changes in the surface to a thousandth of a foot, hoping to calculate how much water the giant reservoir might be evanescing into the atmosphere."

evanesced    evanesces    evanescing   

go away    disappear    vanish   

effervesce   

evanescent    evanescently    evanescence   

evanesced    evanescing   

disappear