Phrase guide

ideal gas

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

a hypothetical gas, whose molecules exhibit no interaction, and undergo elastic collision with each other and with the walls of the container

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a hypothetical gas with molecules of negligible size that exert no intermolecular forces

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: perfect gas

Antonyms: none provided

Broader terms: gas

History

Etymology

No etymology was provided for this word.

Across languages

Translations

27 source translations are retained for this English entry.

  • Chinese Cantonese: 理想氣體 /理想气体 (lei5 soeng2 hei3 tai2) — hypothetical gas
  • Chinese Mandarin: 理想氣體 /理想气体 (lǐxiǎng qìtǐ) — hypothetical gas
  • Czech: ideální plyn — hypothetical gas
  • Danish: idealgas — hypothetical gas
  • Dutch: ideaal gas — hypothetical gas
  • Esperanto: ideala gaso — hypothetical gas
  • Finnish: ideaalikaasu — hypothetical gas
  • French: gaz parfait — hypothetical gas
  • German: ideales Gas — hypothetical gas
  • Hebrew: גז אידאלי — hypothetical gas
  • Hungarian: ideális gáz — hypothetical gas
  • Italian: gas ideale — hypothetical gas
  • Japanese: 理想気体 (risōkitai) — hypothetical gas
  • Khmer: ឧស្ម័នបរិសុទ្ធ (ʼusman bɑɑresot) — hypothetical gas
  • Korean: 이상 기체 (isang giche) — hypothetical gas
  • Latvian: ideāla gāze — hypothetical gas
  • Lithuanian: idealios dujos — hypothetical gas
  • Norwegian: ideell gass — hypothetical gas
  • Persian: گاز ایدهآل (gâz-e ide-âl) — hypothetical gas
  • Polish: gaz doskonały — hypothetical gas
  • Portuguese: gás perfeito — hypothetical gas
  • Russian: идеа́льный газ (ideálʹnyj gaz) — hypothetical gas
  • Slovak: ideálny plyn — hypothetical gas
  • Slovene: idealni plin — hypothetical gas
  • Swedish: perfekt klassisk gas — hypothetical gas
  • Tagalog: ulirang buhag — hypothetical gas
  • Vietnamese: khí lí tưởng — hypothetical gas