noun
definition
A chemical or compound that changes into a gas easily.
adjective
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Evaporating or vaporizing readily under normal conditions.
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(of a substance) Explosive.
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(of a price etc) Variable or erratic.
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(of a person) Quick to become angry or violent.
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Fickle.
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Temporary or ephemeral.
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(of a situation) Potentially violent.
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(of a variable) Having its associated memory immediately updated with any changes in value.
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(of memory) Whose content is lost when the computer is powered down
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Passing through the air on wings, or by the buoyant force of the atmosphere; flying; having the power to fly.
Examples of volatile in a Sentence
On the other hand, putting up with his volatile moods wouldn't be exactly easy.
Both forms are volatile in steam.
Mercury is a fluid, volatile, spiritual essence.
There is also present a volatile oil.
Somewhat less volatile than the last-named group are the chlorides (MC1 2) of barium, strontium and calcium.
Crop yields are highly volatile and unpredictably so.
What did she know about this man... other than the fact that he had a volatile temperament?
May was less than a week old and the temperature was still volatile.
The drug has the properties common to all substances that contain a volatile oil.
For illuminating purposes, the most extensively-used product is kerosene, but both the more and the less volatile portions Of petroleum are employed in suitable lamps.
As might be expected, the grease which produces these effects is largely volatile.
In the American petroleum refineries it is found that sufficient cracking can be produced by slow distillation in stills of which the upper part is sufficiently cool to allow of the condensation of the vapours of the less volatile hydrocarbons, the condensed liquid thus falling back into the heated body of oil.
It is volatile (para-oxybenzaldehyde is not) and gives a violet coloration with ferric chloride.
Most of the polynitro compounds are not volatile, but undergo deco Imposition on heating.
The caking property is best developed in coals low in oxygen with 25 to 30% of volatile matters.
The iodides as a class resemble the chlorides and bromides, but are less fusible and volatile.
Most of the azoximes are very volatile substances, sublime readily, and are easily soluble in water, alcohol and benzene.
It sublimes readily and is volatile in steam.
More volatile anaesthetics such as anestile or anaesthyl and coryl are produced by mixing with methyl chloride; a mixture of ethyl and methyl chlorides with ethyl bromide is known as somnoform.
The chlorides of the nonmetallic elements are usually volatile fuming liquids of low boilingpoint, which can be distilled without decomposition and are decomposed by water.
At the same time various subsidiary products such as glycerin, succinic acid, small quantities of higher alcohols, volatile acids and compound esters are produced.
The amount of volatile acid should be very small, and, except in special cases, a percentage of volatile acid exceeding 0.1 to 0.15%, according to the class of wine, will indicate that an abnormal or undesirable fermentation has taken place.
The micro-organism splits up the laevulose in the must, forming mannitol and different acids, particularly volatile acid.
With the accession of the new monarch in 1760 this volatile politician transferred his attentions from Pitt to the young king's favourite, Bute, and when in 1761, at the latter's instance, several changes were made in the ministry, Townshend was promoted to the post of secretary-at-war.
Many forms in rivers, soil, manure heaps, &c., are capable of bringing about this change to ammonium carbonate, and much of the loss of volatile ammonia on farms is preventible if the facts are apprehended.
Other aromatic members are Andropogon Nardus, a native of India, but also cultivated, the rhizome, leaves and especially the spikelets of which contain a volatile oil, which on distillation yields the citronella oil of commerce.
Robert was thriftless, volatile and easy-going, a good knight but a most incompetent sovereign.
The solubility of naphthalene by various oils has led some engineers to put in naphthalene washers, in which gas is brought into contact with a heavy tar oil or certain fractions distilled from it, the latter being previously mixed with some volatile hydrocarbon to replace in the gas those illuminating vapours which the oil dissolves out; and by fractional distillation of the washing oil the naphthalene and volatile hydrocarbons are afterwards recovered.
Ferric oxide or iron sesquioxide, Fe203, constitutes the valuable ores red haematite and specular iron; the minerals brown haematite or limonite, and gothite and also iron rust are hydrated forms. It is obtained as a steel-grey crystalline powder by igniting the oxide or any ferric salt containing a volatile acid.
Applied externally it possesses, in higher degree than any of its fellows, the properties of the volatile oils.
It is a volatile compound which burns when heated in oxygen and which is unacted upon by sulphuric and hydrochloric acids.
Silica forms nearly the whole substance of flint; calcite and dolomite may occur in it in small amounts, and analysis has also detected minute quantities of volatile ingredients, organic compounds, &c., to which the dark colour is ascribed by some authorities.
If it be desired to obtain larger quantities than are yielded by the above-described methods, processes having for their object the extraction of the seeds by volatile solvents must be resorted to.
Of the other proposed volatile solvents ordinary ether has found no practical application, as it is far too volatile and hence far too dangerous.
The last remnant of volatile solvent in the oil is driven off by a current of open steam blown through the oil in the warm state.
The comminuted seed is placed inside a vessel connected with an upright refrigerator on trays or baskets, and is surrounded there by the volatile solvent.
A few of the blubber oils, like dolphin jaw and porpoise jaw oils (used for lubricating typewriting machines), have exceedingly high saponification values ` owing to their containing volatile fatty acids with a small number of carbon atoms. Notable also are coco-nut and palm-nut oils, the saponification numbers of which vary from 240 to 260, and especially butter-fat, which has a saponification value of about 227.
These high saponification values are due to the presence of (glycerides of) volatile fatty acids, and are of extreme usefulness to the analyst, especially in testing butter-fat for added margarine and other fats.
These volatile acids are specially measured by the Reichert value (Reichert-Wollny value).
To ascertain this value the volatile acids contained in 5 grammes of an oil or fat are distilled in a minutely prescribed manner, and the distilled-off acids are measured by titration with decinormal alkali.
The process of extraction with volatile solvents is similar to that used in the extraction of oils and fats, but as only the most highly purified solvents can be used, this process has not yet gained commercial importance.
In the first refrigeration is produced by the expansion of atmospheric air, and in the second by the evaporation of a more or less volatile liquid.
Perkins in his patent specification states that the volatile fluid is by preference ether.
It appears to contain at least two alkaloids - cannabinine and tetano-cannabine - of which the former is volatile.
There are also resins, a volatile oil and several other constituents.
Where the operation is simply one of fusion, as in the ironfounder's cupola, in which there is no very great change in volume in the materials on their descent to the tuyeres, the stack is nearly or quite straight-sided; but when, as is the case with the smelting of iron ores with limestone flux, a large proportion of volatile matter has to be removed in the process, a wall of varying inclination is used, so that the body of the furnace is formed of two dissimilar truncated cones, joined by their bases, the lower one passing downwards into a short, nearly cylindrical, position.
He'd have to track down Darian soon, though what the unpredictable, volatile Grey God was doing was beyond his ability to guess.
The valve on top of a cylinder containing the highly volatile substance acetylene had ignited on the sixth floor.
I'm fourth generation Australian, a volatile mixture of Italian, Irish and Scots ancestry.
Continue volatile agent until reversal is complete and spontaneous respiration is resumed using atropine or glycopyrrolate and neostigmine as required.