volatile

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volatile

1. (of a substance) capable of readily changing from a solid or liquid form to a vapour; having a high vapour pressure and a low boiling point
2. Computing (of a memory) not retaining stored information when the power supply is cut off
3. a volatile substance

volatile

[′väl·əd·əl]
(chemistry)
Readily passing off by evaporation.

volatile

Descriptive of a substance which passes off easily as a gas or vapor, evaporating quickly.

volatile

(programming)

volatile

(storage)

volatile

With regard to RAM memory, volatile means "temporary" rather than "highly changeable," which is the usual meaning of the word in English. See volatile memory and volatility.
References in classic literature ?
The souls within these people's breasts were not volatile in the manner of slightly scented and inflated bladders.
Would that volatile mind, that inconstant heart, be likely to be fixed for a moment, even were it to gaze upon an angel?
On such occasions his eyes protruded more than ever, and his face had more than ever the appearance of being covered with a thin crackling skin, through which every flush of his volatile blood showed itself instantly.
Raymond is a witness what ginger and sal volatile I am obliged to take in the night.
Pigling Bland listened gravely; Alexander was hopelessly volatile.
He could distinguish amid the perfumes of the roses and heliotropes in the flower-stands, the sharp and fragrant odor of volatile salts, and he noticed in one of the chased cups on the mantle-piece the countess's smelling-bottle, taken from its shagreen case, and exclaimed in a tone of uneasiness, as he entered, -- "My dear mother, have you been ill during my absence?
Since primitive and differentiated asteroids, planetary embryos, and the Earth-Moon system represent different stages of planet formation, studies of chondritic meteorites and samples from Vesta, Mars, the Moon, and Earth can provide constraints on the evolution of planetary volatiles from primordial to present-day compositions.
It turns out that pH and pectin levels produced no significant differences, while protein, sucrose and oil decreased the levels of volatiles.
Previously, scientists had considered that volatiles vaporized by the impact might have escaped before the Moon formed.
It has 3% oil content and contains less than 350 ppm of total volatiles.
Myrtales: Myrtaceae) in citrus orchard showed positive effect on the reduction of psyllid infestation and the volatiles emitted from guava leaves exhibited repellent activities against the adult psyllids.
As lava rises from the depths toward the surface, volatiles dissolved within it change phase from liquid to gas, expanding in the process.