1. (noun)gas an aeriform 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 aeriform state
2. (noun)gas a complexmixture 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
1. interj. A term of disgust and
hatred, implying that gas should be dispensed in generous quantities,
thereby exterminating the source of irritation. “Some loser just
reloaded the system for no reason! Gas!”
3. vt. To
flush (sense 1). “You should gas that old
crufty software.”
4. [IBM] n.Deadspace in
nonsequentially organized files that was occupied by data that has since
been deleted; the compressionoperation that removes it is called degassing (by analogy, perhaps, with the use of
the sameterm in vacuum technology).