1

off-gas

noun \ ˈȯf-ˌgas \

Definition of off-gas

plural off-gases also off-gasses

: a gas that is produced as a by-product of an industrial process or that is given off by a manufactured object or material

Refinery off-gases from fluid catalytic cracking could be a source of ethylene.
—Predicasts Technology Update

First Known Use of off-gas

1955

in the meaning defined above

See Words from the same year

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2

off-gas

verb

Definition of off-gas

off-gassed; off-gassing

transitive + intransitive

: to give off a typically harmful gas

In addition, OSHA intends to amend the hazard communication provisions of the standard to require hazard warning labels for solid materials capable of off-gassing formaldehyde at levels between 0.1 ppm and 0.5 ppm …
—Chemical & Engineering News

… there have been environmental concerns about the phenol formaldehyde binders used in most engineered-wood products, which can off-gas.
—Max Alexander

First Known Use of off-gas

1974

in the meaning defined above

See Words from the same year

NEW! Time Traveler

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vouchsafe

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to grant as a privilege or special favor

BROWSE DICTIONARY

off-flavor

off form

off-gas

off-gassing

off-glide

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