Ideal Gas Definition

ī-dēəl
noun
A gas having particles that have perfectly elastic collisions and negligible volume and intermolecular forces, thus exactly obeying the ideal gas law. No known gas is an ideal gas, but actual gases approximate this behavior at relatively low pressure and high temperature.
American Heritage
Synonyms:
  • perfect gas
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Other Word Forms of Ideal Gas

Noun

Singular:
ideal gas
Plural:
ideal-gases

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