Top definition
The abilty that any given substance or object has to melt; Melting capacity and capability.
My frosty has slow meltation because of this styrofoam it's in.

"Eh dah sun speedin' up di meltation ah my ice cream."
by Lanique G. January 24, 2007
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2
A process involving the melting of something especially snow to water.

A change of physical state from a solid to a liquid.
One of the most prominent ways in which to experience flooding in a particular region is during the process of meltation.
by TEDDYJAM February 27, 2021
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