Skip to main content
outgassing

outgassing

1 8.5
Release of gas from a solid material into the air or space
  • noun
  • /ˈaʊtˌɡæsɪŋ/
  • Specialized
translation icon : desgasificación
  • The plastic coating on the cable—in fact, anything plastic on Curiosity—had to be baked in a vacuum to eliminate outgassing elements that could have smeared the optics.
  • outgassing of water vapor

Examples

  • If after this time, moisture vapor droplets or condensation appear on the underside of the plastic sheet, then outgassing is occurring.

    Academic text (1998)
  • A flyby spacecraft will then watch as a crater forms, measure the crater's size and the ejecta's composition, and view changes in the comet's outgassing.

    Academic text (2005)
  • Now, the outgassing has created a vent a half mile wide and at least 2 miles deep.

  • Do not attempt to apply the epoxy coating if outgassing is happening.

    Academic text (1998)
  • Others think the extra outgassing could cause Tempel 1 to brighten to naked-eye visibility.

    Academic text (2005)
  • And they're scrutinizing the chemical's escape from soil, known as outgassing, when it's used as a fumigant.

    Academic text (1995)
  • In addition, they made a small but systematic correction for the rocket-like outgassing of water vapor from the comet's icy nucleus.

    Academic text (1996)
  • Moisture vapor transmission (outgassing) simply means that water in its gaseous form (moisture vapor) is trying to exit the concrete.

    Academic text (1998)
  • Two moisture-related issues that need to be checked before applying an epoxy coating are moisture vapor transmission (outgassing) and excessive moisture content.

    Academic text (1998)
  • outgassing of volatile organic compounds can contribute to indoor air pollution.

Synonyms

emission
vsoutgassing
198 4.6

A substance like gas or smoke that is released into the air

describes the process of trapped gas leaving materials rather than any release
escape
vsoutgassing
114 3.9

A device that lets gas or steam leave a container

is about gas released from within materials, not leaks through containers
desorption
vsoutgassing
  • Specialized
1 9.9

A substance leaves a surface where it was stuck and becomes gas or liquid

is about gas leaving materials, not only from surfaces
degassing
vsoutgassing
  • Specialized
6.4

The release of gas from liquids or rocks

is the same process often releasing gas into the atmosphere or vacuum
vapor escape
vsoutgassing
  • US
5.1

The release of steam or gas from a closed space into the air

is gas release from inside materials rather than from a space

How Much Gas

degassing
  • Specialized
6.4
outgassing
  • Specialized
1 8.5
emission
198 4.6
to release
446 2.7

Surface Forms

outgassing singular
outgassings plural

Morphology

outgassing = outgas (transparent) = out + gas + ing

Built from the verb 'outgas' (out- + gas) with the agentive/continuous suffix '-ing'; the meaning 'the releasing of gas' is directly compositional for learners.

Etymology

Outgassing is made from the parts out- and gas, so you can think of it as 'gas going out' from a thing, like the smell coming from a new carpet or a satellite in space. So outgassing means gas that was trapped in a material is being released.