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vaporizer

American  
[vey-puh-rahy-zer] / ˈveɪ pəˌraɪ zər /

noun

vaporizers plural
  1. a person or thing that vaporizes.

  2. a device for turning liquid into vapor, as an atomizer, especially one that converts a medicinal substance into a vapor that is inhaled for respiratory relief.


vaporizer British  
/ ˈveɪpəˌraɪzə /

noun

  1. a substance that vaporizes or a device that causes vaporization

  2. med a device that produces steam or atomizes medication for inhalation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of vaporizer

First recorded in 1840–50; vaporize + -er 1

Explanation

In medicine, a vaporizer is a machine that distributes medication in the form of a gas that a patient inhales. It's also another name for a humidifier, a device that increases moisture in the air. A vapor is a gas, and the job of a vaporizer is to create vapor. A child who's badly congested might need to breathe the warm steam of a home vaporizer to ease a cough. And a patient preparing for surgery often inhales their anesthesia through a mask with the aid of a vaporizer. The word comes from the Latin root vaporem, "a warm exhalation" or "steam."

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It's the simplest dry herb vaporizer to refill between sessions, features the largest oven size in its class, and has user-friendly presets.

From Salon Apr. 18, 2025

Her mother read Hans Christian Andersen stories as a vaporizer sent puffs of yellow steam into the sickroom.

From New York Times Mar. 2, 2022

A family member lit a vaporizer full of essential oils.

From Washington Post Mar. 22, 2019

Chris Harihar, a spokesman for VMR Products, the largest independent vaporizer brand in the U.S, said he was not authorized to comment on Wednesday.

From Seattle Times Jun. 21, 2017

I undressed again, refilled the vaporizer where it was hissing on its small spirit-stove, and climbed back into bed.

From "The Hiding Place" by Corrie ten Boom

“We still keep one or two desflurane vaporizers so someone could use it if they really need it, but it is no longer at arm’s reach in every operating room,” he said.

From Washington Post Apr. 5, 2023

Gilson’s attorney, Peter McGrath, says the public needs to be aware about the possible dangers involved with e-cigarettes and vaporizers.

From Washington Times Feb. 12, 2016

Even vaporizers, the self-proclaimed smoking tech of the future, tend to look like something serendipitously broke loose from a costume at a Steampunk convention.

From The Verge Nov. 12, 2015

The World Health Organization’s recommendations for Aedes control include the use of screens, long sleeves, and spatial repellents like coils and vaporizers in the home.

From Slate

Yet this chemical, a form of benzene hexachloride, is much used in vaporizers, devices that pour a stream of volatilized insecticide vapor into homes, offices, restaurants.

From "Silent Spring" by Rachel Carson

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