Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for vapor from the 1913 edition of Webster's Revised Unabridged Dictionary. Define vapor using one of the most comprehensive free online dictionaries on the web.

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vapor
Part of Speech: noun
Results: 10
1. Any substance in the gaseous, or aeriform, state, the condition of which is ordinarily that of a liquid or solid.
3. Wind; flatulence.
6. A medicinal agent designed for administration in the form of inhaled vapor.
7. To pass off in fumes, or as a moist, floating substance, whether visible or invisible, to steam; to be exhaled; to evaporate.
8. To emit vapor or fumes.
Part of Speech: verb transitive
1. To send off in vapor, or as if in vapor; as, to vapor away a heated fluid.
Examples of usage:
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