| Gas (gas) |
|---|
| n. | (g&abreve]s) |
|---|
| Gas |
; pl.
Gases (- z). [Invented by the chemist Van
Helmont of Brussels, who died in 1644.] |
An
aëriform fluid; -- a term used at first by chemists as
synonymous with air, but since restricted to fluids supposed
to be permanently elastic, as oxygen, hydrogen, etc., in distinction
from vapors, as steam, which become liquid on a reduction of
temperature. In present usage, since all of the supposed permanent
gases have been liquified by cold and pressure, the term has resumed
nearly its original signification, and is applied to any substance in
the elastic or aëriform state.
A complex mixture of gases, of which the most important
constituents are marsh gas, olefiant gas, and hydrogen, artificially
produced by the destructive distillation of gas coal, or sometimes of
peat, wood, oil, resin, etc. It gives a brilliant light when burned,
and is the common gas used for illuminating purposes.
|
| Gas (gas) |
|---|
| v. t. | (?) |
|---|
| Gas |
| [imp. *** p.
p. Gassed (?)] p. pr. *** vb. n.
Gassing.] |
To singe,
as in a gas flame, so as to remove loose fibers] as, to gas
thread.
To impregnate with gas; as, to gas
lime with chlorine in the manufacture of bleaching powder.
|
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In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 