Found 1 items, similar to Volatile alkali.
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Definition: Volatile alkali
, a. [F. volatil, L. volatilis, fr. volare
to fly, perhaps akin to velox swift, E. velocity. Cf.
1. Passing through the air on wings, or by the buoyant force
of the atmosphere; flying; having the power to fly. [Obs.]
2. Capable of wasting away, or of easily passing into the
a["e]riform state; subject to evaporation.
Note: Substances which affect the smell with pungent or
fragrant odors, as musk, hartshorn, and essential oils,
are called volatile substances, because they waste away
on exposure to the atmosphere. Alcohol and ether are
called volatile liquids for a similar reason, and
because they easily pass into the state of vapor on the
application of heat. On the contrary, gold is a fixed
substance, because it does not suffer waste, even when
exposed to the heat of a furnace; and oils are called
fixed when they do not evaporate on simple exposure to
3. Fig.: Light-hearted; easily affected by circumstances;
airy; lively; hence, changeable; fickle; as, a volatile
You are as giddy and volatile as ever. --Swift.
. (Old Chem.) See under Alkali
, a liniment composed of sweet oil and
ammonia, so called from the readiness with which the
. (Chem.) See Essential oils
(?; 277), n.; pl. Alkalis
alcali, ultimately fr. Ar. alqal[=i] ashes of the plant
saltwort, fr. qalay to roast in a pan, fry.]
1. Soda ash; caustic soda, caustic potash, etc.
2. (Chem.) One of a class of caustic bases, such as soda,
potash, ammonia, and lithia, whose distinguishing
peculiarities are solubility in alcohol and water, uniting
with oils and fats to form soap, neutralizing and forming
salts with acids, turning to brown several vegetable
yellows, and changing reddened litmus to blue.
3. Soluble mineral matter, other than common salt, contained
in soils of natural waters. [Western U. S.]
[Webster 1913 Suppl.]
, potash and soda.
. Same as Alkaloids
, ammonia, so called in distinction from the