gaseous

[gas-ee-uhs, gash-uhs]

adjective

1. existing in the state of a gas; not solid or liquid.

2. pertaining to or having the characteristics of gas.

3. Informal.,  lacking firmness or solidity; uncertain; not definite.

4. gassy.

gaseous

/ ˈɡæsɪəs, -ʃəs, ˈɡeɪ-, -ʃɪəs /

adjective

1. of, concerned with, or having the characteristics of a gas

Other Word Forms

• gaseousness noun
• gaseity noun
• nongaseous adjective
• nongaseousness noun
• pseudogaseous adjective
• quasi-gaseous adjective

Word History and Origins

Origin of gaseous¹

First recorded in 1790–1800; gas + -eous

Example Sentences

It shoots lasers at atoms of rubidium, a soft, silvery-white metal, that are held in a gaseous form in a small glass vial.

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Its sound is like a gaseous rumbling from deep within the earth—or our bellies.

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Another concerns the gaseous nebulas in which the planets and their stars formed.

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In one marketing brief it was referred to as “removing gaseous contaminants” from the air supply.

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Her gauzy, often gaseous, rhetoric made her sound like a dean of students at a small liberal arts college.

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