off-gas
Word Rarity
Uncommon
Frequency: 4.96 in modern English
13
Scrabble Score
6
Letters
4
Syllables
5
Unique Chars
Meaning
noun
Gas produced as a side effect of a chemical reaction, sometimes hazardous.
Countable; Uncountable
verb
To emit gases, especially noxious ones.
Example Sentences
- "Since solvent-based paints can off-gas for a long time as they dry, when trapped in a tightly sealed building they can contribute to an unhealthy cocktail of chemicals in the air."
- "Moving along to consider @CZ662C’s even worse-looking CD fragments, and the tech detectives on X reckon this dramatic damage was caused by storage in a foam-padded case. Some foam padding materials, the story goes, will off-gas ammonia compounds."
Etymology
Etymology tree English off- Proto-Indo-European *ǵʰeh₂-der. Ancient Greek χαῦνος (khaûnos) Ancient Greek χάος (kháos)der. Dutch gasbor. English gas English off-gas From off- + gas.