verb

dissipate

DIS-ih-payt/ˈdɪsɪpeɪt/

To scatter or expend until little remains.

Smoke from the extinguished candle dissipates until its last traces disappear.

Small curling wisp of smoke becomes paler and more separated as it drifts from extinguished candle, last traces dissolve into pure white; no fire scene or room.
Etymology

“Apart” and “scatter” give the image of something spreading in all directions. The meaning extends from driving something off to its becoming so dispersed that it fades or vanishes.

In context

Stanford ENERGY18:44
everyday they're running cooling towers over there to dissipate the additional heat which we all generate
Roland Horne | Energy @ Stanford and SLAC 2017

More examples

  • The morning fog dissipates as the sun warms the air.
  • Her reassuring smile helps dissipate the tension.
  • He dissipated his inheritance through years of reckless spending.

Forms

dissipate · dissipates · dissipated · dissipating

dissipation noun — Gradual dispersal or wasteful use of resources.

Similar words

disperse
Emphasizes spreading apart, without necessarily disappearing or being wasted.
squander
Specifically means wasting something valuable, rather than gradually scattering.