Definition of "sublimation"

sublimation

noun
countable and uncountable, plural sublimations
1. (chemistry) The transition of a substance from the solid phase directly to the vapor state such that it does not pass through the intermediate liquid phase.
  Quotations
  It uses dry ice pellets (capsules of frozen carbon dioxide), blown at supersonic speed onto the railhead through a small nozzle. Any leaf contamination on the line is frozen, becoming brittle. The pellets then change instantly from solid to gas without going through a liquid stage (a process known as sublimation).
  2023 September 20, Tom Ingall, “Freezing the leaves off the line”, in RAIL, number 992, page 46
2. (psychology) The transformation of an impulse into something socially constructive.
3. Elevation; exaltation; a making sublime.