noun. The gaseous state of a substance that is liquid or solid at room temperature.

noun. A faintly visible suspension of fine particles of matter in the air, as mist, fumes, or smoke.

noun. A mixture of fine droplets of a substance and air, as the fuel mixture of an internal-combustion engine.

noun. undefined

noun. Something insubstantial, worthless, or fleeting.

noun. A fantastic or foolish idea.

noun. undefined

noun. Exhalations within a bodily organ, especially the stomach, supposed to affect the mental or physical condition. Used with the.

noun. A nervous disorder such as depression or hysteria. Used with the.

intransitive verb. To fill or cover with vapor.

intransitive verb. To vaporize.

intransitive verb. To give off vapor.

intransitive verb. To evaporate.

intransitive verb. To engage in idle, boastful talk.

To pass off in the form of vapor; dissolve, as into vapor or thin air; be exhaled; evaporate.

To give out vapor, steam, or gas; emit vapors or exhalations; exhale; steam.

To boast or vaunt; bully; hector; brag; swagger; bounce.

To cause to pass into the state of vapor; cause to dissolve or disappear in or as in vapor, gas, thin air, or other unsubstantial thing.

To afflict or infect with vapors; dispirit; depress.

To bully; hector.

noun. An exhalation of moisture; any visible diffused substance, as fog, mist, steam, or smoke, floating in the atmosphere and impairing its transparency.

noun. In physics, the gaseous form which a solid or liquid substance assumes when sufficiently heated.

noun. Effluence; influence.

noun. Wind; flatulence.

noun. In medicine, a class of remedies, officinal in the British pharmacopœia, which are to be applied by inhalation: such as vapor creasoti, a mixture of 12 minims of creosote in 8 fluidounces of boiling water, the vapor of which is to be inhaled.

noun. Something unsubstantial, fleeting, or transitory; vain imagination; fantastic notion.

noun. plural A hectoring or bullying style of language or conduct, adopted by ranters and swaggerers with the purpose of bringing about a real or mock quarrel.

noun. plural A disease of nervous debility in which strange images seem to float hazily before the eyes, or appear as if real; hence, hypochondriacal affections; depression of spirit; dejection; spleen; “the blues”: a term much affected in the eighteenth century, but now rarely used.

transitive verb. To send off in vapor, or as if in vapor.

intransitive verb. To pass off in fumes, or as a moist, floating substance, whether visible or invisible, to steam; to be exhaled; to evaporate.

intransitive verb. To emit vapor or fumes.

intransitive verb. To talk idly; to boast or vaunt; to brag.

noun. Any substance in the gaseous, or aëriform, state, the condition of which is ordinarily that of a liquid or solid.

noun. In a loose and popular sense, any visible diffused substance floating in the atmosphere and impairing its transparency, as smoke, fog, etc.

noun. Wind; flatulence.

noun. Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.

noun. An old name for hypochondria, or melancholy; the blues.

noun. A medicinal agent designed for administration in the form of inhaled vapor.

noun. A small metallic drying oven, usually of copper, for drying and heating filter papers, precipitates, etc.; -- called also air bath. A modified form is provided with a jacket in the outside partition for holding water, or other volatile liquid, by which the temperature may be limited exactly to the required degree.

noun. a burner for burning a vaporized hydrocarbon.

noun. the relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. The vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight.

noun. an engine worked by the expansive force of a vapor, esp. a vapor other than steam.

noun. Cloudy diffused matter such as mist, steam or fumes suspended in the air.

noun. The gaseous state of a substance that is normally a solid or liquid.

verb. To become vapor; to be emitted or circulated as vapor.

verb. To turn into vapor.

verb. To use insubstantial language; to boast or bluster.

noun. the process of becoming a vapor

noun. a visible suspension in the air of particles of some substance

"In visible light water vapor is not a problem; as long as clouds don't form, it's transparent."

aqueous vapor  bluster  boast  capacity for vapor  dew point  

vapor pressure  vapour trail  water vapor  

Draper  caper  draper  graper  paper  

ammonia  dioxide  débris  flame  fluid  

Barnumize  London fog  London special  Old Faithful  air  

vapour