liquesce

verb2

1. •
   To become a liquid; to liquefy.

   • It is, of course, the nature of the London fog to descend and liquesce at its own whim. Merely two hours later, Waterloo-bridge presented an entirely different scene. — 2011
2. •
   (figurative) to become more like a liquid

   • At many points notes liquesce like the liquid letters, so that the interval from one note to another is begun with a smooth glide and does not appear to have a stopping place en route. — 2009