- a strange, senseless, or fantastic notion.
- something insubstantial or transitory.
- mental depression or hypochondria.
- injurious exhalations formerly supposed to be produced within the body, especially in the stomach.
verb (used with object)
verb (used without object)
- vape pen,
- vapor barrier,
- vapor lock,
- vapor pressure,
- vapor tension,
- vapor trail
Origin of vapor
Examples from the Web for vapor
As a result, the vapor measurements Mahar obtained are likely the best-case scenario.
Back then there were no vapor cigarettes for you simulate smoking.'Saved by the Bell' Star Dustin Diamond Doesn't Want to Be a Jerk Anymore|Kevin Fallon|August 11, 2014|DAILY BEAST
If you plan to take in vapor in such amounts, you have to get juice with a low nicotine content to avoid poisoning yourself.
We feel the pull between life as painful reality—and forgotten wisps of vapor.10 Best Plays of the Year: Richard III, No Man’s Land, and More|Janice Kaplan|December 27, 2013|DAILY BEAST
On the balcony of the chamber, I came across Ilona Orshansky, the owner of Williamsburg's Vapor Lounge New York.
When thrown into vapor of mercury, boron phospho-di-iodide instantly takes fire.
The glasses of our spectacles, as they came in contact with the air expired, were covered with vapor.Fasting Girls|William Alexander Hammond
The sun raises enormous quantities of water in the form of vapor, which forms clouds and descends in rain.
This vapor seemed to adhere together until it stood near the head, rounded and nearly reaching the ceiling.The New Avatar and The Destiny of the Soul|Jirah D. Buck
It is an alley in some great city, and there is a gloom of evening and vapor over the sky.Imaginations and Reveries|(A.E.) George William Russell
late 14c., from Anglo-French vapour, from Latin vaporem (nominative vapor) "exhalation, steam, heat," of unknown origin. Vapors "fit of fainting, hysteria, etc." is 1660s, from medieval notion of "exhalations" from the stomach or other organs affecting the brain.