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noun

sublimation

sub-li-MAY-shun

Sublimation (noun) means the change of a solid directly into a gas without passing through a liquid stage, and sometimes the reverse change from gas straight to solid. Example: “Dry ice does not melt; it disappears by sublimation into carbon dioxide gas.”

noun
1
The change of a solid directly into a gas without passing through a liquid stage, and sometimes the reverse change from gas straight to solid.
"Dry ice does not melt; it disappears by sublimation into carbon dioxide gas."
"Snow can vanish from a mountainside by sublimation even when the temperature never rises above freezing."
2
In psychology, the process of redirecting an urge that cannot be acted on directly — often an aggressive or sexual one — into an activity that is socially acceptable or creative.
"He described his boxing as a sublimation of a temper he could not otherwise control."
3
technical A printing method in which solid dye is turned into gas by heat and bonded into fabric or a coated surface.
"The mugs are decorated by dye sublimation, so the image will not peel."

How to use sublimation

Learner’s notes

In plain EnglishWhen a solid turns straight into gas without melting first.

When to use it

Chemistry sense is the everyday one; the psychology sense belongs to Freudian theory and appears mainly in academic writing.

Memory tip

The adjective sublime ("magnificent") is related in origin but unrelated in meaning — do not read "sublimation" as "making something wonderful".

Trace the full origin ↓
Common pairings
dye sublimation sublimation point undergo sublimation heat of sublimation
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Test yourself on “sublimation” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Dry ice does not melt; it disappears by _____ into carbon dioxide gas.

Etymology

From Latin sublimare "to raise up, elevate", from sublimis "lofty, uplifted".

Origin: Latin

Related words

Rhymes for sublimation

See all rhymes for sublimation →

Frequently asked questions

What is the difference between sublimation and evaporation?

Evaporation is a liquid turning into a gas, such as a puddle drying up. Sublimation skips the liquid stage entirely, going straight from solid to gas — dry ice and mothballs are the standard examples.

What is the opposite of sublimation?

Deposition, sometimes called desublimation: a gas turning directly into a solid without becoming liquid first. Frost forming on a cold window is deposition.

Is sublimation endothermic or exothermic?

Endothermic. Breaking a solid apart into free gas molecules requires energy, so a subliming substance absorbs heat from its surroundings — which is why dry ice feels intensely cold.

What is the meaning of sublimation?

"sublimation" (noun) means the change of a solid directly into a gas without passing through a liquid stage, and sometimes the reverse change from gas straight to solid.

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Definitions: FreeDict original editorial · etymology from FreeDict original editorial