What does dissipable mean?
Dissipable is an uncommon English adjective meaning capable of being dispersed, scattered, or driven away. It derives from the Latin verb dissipare, formed from dis- (apart) and supare (to throw), so the word carries the image of something flung apart until it vanishes. It applies naturally to physical phenomena that can spread out and fade—mist, smoke, heat—and figuratively to intangible things such as fears, doubts, or illusions that can be dispelled. Because of its rarity, it appears chiefly in formal, technical, or literary registers rather than everyday conversation; in ordinary speech people typically say something "can be dissipated." Its usefulness lies in its precision: where fleeting suggests brevity in general, dissipable specifically signals that a thing is susceptible to being scattered or dispelled, whether by wind, heat sinks, or an honest explanation.
adjectiveCapable of being dispersed, scattered, or driven away; able to be dissipated.
- Capable of being dispersed, scattered, or dispelled (e.g. of mist, heat, doubts).
"The morning fog proved dissipable once the sun climbed above the ridge."
"Her initial suspicions were dissipable with a single honest explanation."
"Engineers designed the housing so that excess heat would remain dissipable under load."
Built from Latin roots that literally mean "to throw apart," this rare adjective describes anything that can be scattered to the winds.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dissipable
Dissipable comes from the Latin verb dissipare (also written dissupare), meaning to scatter or disperse, built on dis- (apart) plus a root related to throwing. The adjective was formed with the suffix -able, indicating capacity, likely by way of the past participle stem dissipat- as seen in dissipate and dissipation. Its closest relatives include dissipate, dissipation, and dissolute, all tracing back to the same Latin source.
How dissipable is actually used
A rare and somewhat technical adjective, most at home in scientific, engineering, and formal writing. In everyday speech, writers usually prefer a clause such as "can be dissipated" over the single word.
Easily confused with dissipable
"Dissolvable" means capable of dissolving in a liquid, while "dissipable" means capable of being scattered or dispelled.