What does sublimable mean?
Sublimable is a technical adjective meaning that a substance is capable of undergoing sublimation. In its standard chemical use, it describes a solid that can change directly into a gas or vapour without first becoming liquid, as dry ice does under ordinary atmospheric pressure. The term can also refer more generally to materials or compounds that can be purified or deposited through such a phase change. Sublimable is useful when discussing phase behaviour, laboratory preparation, and the separation or purification of volatile solids; it is more specific than simply saying that a material is “volatile,” which can also describe a liquid. Although sublimable is uncommon in everyday speech, it identifies the particular physical capacity of a substance to make a solid-to-vapour transition. In technical writing, the adjective is commonly paired with terms such as material, substance, or compound, making the physical nature of the subject explicit. The word derives from the same Latin foundation as sublime and sublimate, connecting its modern scientific meaning with older language concerned with elevation and refinement.
adjectiveCapable of undergoing sublimation; able to pass directly from a solid state into a gaseous state.
- Capable of undergoing sublimation, especially the direct transition between solid and gaseous states.
"Dry ice is a sublimable solid, changing directly from carbon dioxide into gas."
"Iodine is a sublimable solid that produces a violet vapour when heated."
"The laboratory chose a sublimable compound so that the sample could be purified without passing through a liquid state."
A sublimable substance skips the liquid phase entirely, going straight from solid to vapour.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does sublimable come from?
Sublimable belongs to the English word family formed around Latin sublimis, meaning “lofty” or “sublime.” Its modern chemical sense developed alongside related terms such as sublimate and sublimation, all referring to changes involving solid and gaseous states. The suffix -able expresses the central idea of capacity: a material is sublimable when it is able to undergo that change.
Related word forms
How sublimable is actually used
Chiefly a technical term in chemistry and materials science. It is uncommon in everyday speech and normally describes a substance or material rather than a process.
Easily confused with sublimable
Subliminal means operating below conscious awareness, whereas sublimable means capable of undergoing a solid-to-gas phase change.