Gaseous

/ˈɡeɪ.ʃəs/

Meaning & Definition

adjective
Having the form or characteristics of a gas.
The gaseous state of matter is less dense than the liquid or solid states.
Relating to or having the properties of gas.
The experiment involved the gaseous diffusion of particles in a vacuum.
Existing in a gaseous state under normal conditions.
Oxygen and nitrogen are both gaseous at room temperature.
Pertaining to substances that are in a gas-like state.
The gaseous emissions from the factory raised environmental concerns.

Etymology

From Latin 'gasium' (a substance) and 'gaseus' (gaseous).

Common Phrases and Expressions

gaseous state:
A state of matter where substances are in gas form.
gaseous emissions:
Gases released into the atmosphere, often from industrial processes.
gaseous diffusion:
The process of gas molecules spreading out to fill a space.

Related Words

Slang Meanings

Used humorously to describe someone who is talking nonsense or being unclear.
He's just being gaseous again with all that talk about aliens.