Phrase guide

quantum mechanics

noun · 3 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

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1

noun

Meaning 1

The branch of physics which studies matter and energy at the level of atoms and other elementary particles, and substitutes probabilistic mechanisms in place of classical Newtonian ones.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

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

Something overly complicated or detailed.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: rocket science

Antonyms: none provided

3

noun

Meaning 3

the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: quantum physics

Narrower terms: wave mechanics

History

Etymology

No etymology was provided for this word.

Across languages

Translations

54 source translations are retained for this English entry.

  • Arabic: ميكانيكا الكم — branch of physics
  • Bulgarian: ква́нтова меха́ника (kvántova mehánika) — branch of physics
  • Chinese Cantonese: 量子力學 /量子力学 (loeng6 zi2 lik6 hok6) — branch of physics
  • Chinese: 量子力學 /量子力学 (liōng-chú la̍t-ha̍k) — branch of physics
  • Chinese Mandarin: 量子力學 /量子力学 (liàngzǐ lìxué) — branch of physics
  • Czech: kvantová mechanika — branch of physics
  • Danish: kvantemekanik — branch of physics
  • Dutch: kwantummechanica — branch of physics
  • Esperanto: kvantuma meĥaniko — branch of physics
  • Esperanto: kvantuma mekaniko — branch of physics
  • Esperanto: kvantummeĥaniko — branch of physics
  • Esperanto: kvantummekaniko — branch of physics
  • Finnish: kvanttimekaniikka — branch of physics
  • French: mécanique quantique — branch of physics
  • French: physique quantique — branch of physics
  • Georgian: კვანტური მექანიკა (ḳvanṭuri mekaniḳa) — branch of physics
  • Georgian: ტალღური მექანიკა (ṭalɣuri mekaniḳa) — branch of physics
  • German: Quantenmechanik — branch of physics
  • Greek: κβαντομηχανική (kvantomichanikí) — branch of physics
  • Hebrew: מֶכָנִיקַת הַקְּוַנְטִים (mekhanikat hak'vantim) — branch of physics
  • Hindi: प्रमात्रा यांत्रिकी (pramātrā yāntrikī) — branch of physics
  • Hungarian: kvantummechanika — branch of physics
  • Icelandic: skammtafræði — branch of physics
  • Icelandic: skammtaaflfræði — branch of physics
  • Indonesian: mekanika kuantum — branch of physics
  • Irish: meicnic chandamach — branch of physics
  • Italian: meccanica quantistica — branch of physics
  • Japanese: 量子力学 (ryōshi rikigaku) — branch of physics
  • Kazakh: квант механикасы (kvant mexanikasy) — branch of physics
  • Kazakh: кванттық механика (kvanttyq mexanika) — branch of physics
  • Kazakh: толқындық механика (tolqyndyq mexanika) — branch of physics
  • Korean: 양자역학 (yangjayeokhak) — branch of physics
  • Macedonian: ква́нтна меха́ника (kvántna mehánika) — branch of physics
  • Mongolian: квант механик (kvant mexanik) — branch of physics
  • Mongolian: квантын хүчний ухаан (kvantyn xüčnii uxaan) — branch of physics
  • Mongolian: ᠺᠸᠠᠨᠲ ᠦᠨ ᠮᠧᠬᠠᠨᠢᠭ (kwant-ün mēqaniɣ) — branch of physics
  • Mongolian: ᠺᠸᠠᠨᠲ ᠦᠨ ᠬᠦᠴᠦᠨ ᠦ ᠤᠬᠠᠭᠠᠨ (kwant-ün küčün-ü uqaɣan) — branch of physics
  • Norwegian Bokmål: kvantemekanikk — branch of physics
  • Norwegian Nynorsk: kvantemekanikk — branch of physics
  • Persian: مکانیک کوانتوم (mekânik-e koântom) — branch of physics
  • Polish: mechanika kwantowa — branch of physics
  • Portuguese: mecânica quântica — branch of physics
  • Romanian: mecanică cuantică — branch of physics
  • Russian: ква́нтовая меха́ника (kvántovaja mexánika) — branch of physics
  • Serbo-Croatian: квантна меха̀ника — branch of physics
  • Serbo-Croatian: kvantna mehànika — branch of physics
  • Spanish: mecánica cuántica — branch of physics
  • Swedish: kvantmekanik — branch of physics
  • Tagalog: damuing sigwasan — branch of physics
  • Turkish: kuantum fiziği — branch of physics
  • Turkish: kuantum mekaniği — branch of physics
  • Turkish: nicem mekaniği — branch of physics
  • Turkish: dalga mekaniği — branch of physics
  • Vietnamese: cơ học lượng tử — branch of physics