gaseous

American  

[gas-ee-uhs, gash-uhs] / ˈgæs i əs, ˈgæʃ əs /

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.

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gaseous British  

/ ˈɡæsɪəs, -ʃəs, ˈɡeɪ-, -ʃɪəs /

adjective

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

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Other Word Forms

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

Etymology

Origin of gaseous

First recorded in 1790–1800; gas + -eous

Example Sentences

Its setup includes a powerful windowless gaseous tritium source, a high-resolution spectrometer that precisely measures electron energies, and a detector that records the particles.

From Science Daily

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

From The Wall Street Journal

The landscape melts around me like wet paint, to reveal a gaseous garden dotted with lime-green flowers.

From Literature

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

From The Wall Street Journal

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

From Science Daily