Standard Lemma guide

quantum

adj · noun · 16 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.

  • Received-Pronunciation: /ˈkwɒntəm/
  • Received-Pronunciation: /kwŏn′təm/
  • General-American: /ˈkwɑntəm/
  • Canada, US: [ˈkhwɑ̃nthə̃m] enunciated
  • Canada, US: [ˈkhwɑ̃ɾ̃ə̃m] common flapped realization
  • US: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: K W AA1 N T AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of a change, sudden or discrete, without intermediate stages.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of a change, significant.

Definition source: English Wiktionary via Wiktextract

Usage: informal, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Involving quanta, quantum mechanics or other aspects of quantum physics.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: classical

4

adj

Meaning 4

Involving quanta, quantum mechanics or other aspects of quantum physics.

Relating to a quantum computer.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: computing, computing-theory, engineering, mathematics, natural-sciences, physical-sciences, physics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: classical

5

noun

Meaning 5

The total amount of something; quantity.

Definition source: English Wiktionary via Wiktextract

Usage: South-Asia, countable, uncountable

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The total amount of something; quantity.

The amount of compensation awarded to a successful party in a lawsuit.

Definition source: English Wiktionary via Wiktextract

Usage: South-Asia, countable, uncountable

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

The total amount of something; quantity.

The length or magnitude of the sentence handed down to someone who has been found guilty of a crime.

Definition source: English Wiktionary via Wiktextract

Usage: South-Asia, countable, uncountable

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

The amount or quantity observably present, or available.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

The smallest possible, and therefore indivisible, unit of a given quantity or quantifiable phenomenon.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

The amount of time allocated for a thread to perform its work in a multithreaded environment.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

Ellipsis of quantum computing.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, ellipsis, uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • Developing for quantum has never been more accessible.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

The minimum dose of a pathogen required to cause an infection.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

Amount of goods produced or demanded.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: economics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

A definite portion of a manifoldness, limited by a mark or by a boundary.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

(physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: measure, quantity, amount

Narrower terms: quasiparticle

16

noun

Meaning 16

a discrete amount of something that is analogous to the quantities in quantum theory

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: quantity

History

Etymology

From Late Latin quantum, noun use of neuter form of Latin quantus (“how much”).

Across languages

Translations

94 source translations are retained for this English entry.

  • Chinese Mandarin: 量子 (liàngzǐ) — significant (of a change)
  • Finnish: suuri — significant (of a change)
  • Finnish: merkittävä — significant (of a change)
  • Finnish: määrällinen — significant (of a change)
  • Japanese: 量子 (ryōshi) — significant (of a change)
  • Russian: значи́тельный (značítelʹnyj) — significant (of a change)
  • Russian: суще́ственный (suščéstvennyj) — significant (of a change)
  • Armenian: քվանտային (kʻvantayin) — involving quanta
  • Bulgarian: ква́нтов (kvántov) — involving quanta
  • Chinese Mandarin: 量子 (liàngzǐ) — involving quanta
  • Dutch: kwantum- — involving quanta
  • Esperanto: kvantuma — involving quanta
  • French: quantique — involving quanta
  • German: Quanten- — involving quanta
  • Italian: quantico — involving quanta
  • Italian: quantistico — involving quanta
  • Japanese: 量子 (ryōshi) — involving quanta
  • Kazakh: кванттық (kvanttyq) — involving quanta
  • Polish: kwantowy — involving quanta
  • Polish: kwantowa — involving quanta
  • Polish: kwantowe — involving quanta
  • Portuguese: quântico — involving quanta
  • Russian: ква́нтовый (kvántovyj) — involving quanta
  • Spanish: cuántico — involving quanta
  • Spanish: quántico — involving quanta
  • Swedish: kvant- — involving quanta
  • Ukrainian: ква́нтовий (kvántovyj) — involving quanta
  • Vietnamese: lượng tử — involving quanta
  • Volapük: kvantik — involving quanta
  • Afrikaans: hoeveelheid — quantity
  • Bulgarian: количество (količestvo) — quantity
  • Bulgarian: сума (suma) — quantity
  • Catalan: quantitat — quantity
  • Chinese Mandarin: 量 (liàng) — quantity
  • Dutch: kwantiteit — quantity
  • Finnish: määrä — quantity
  • French: quantité — quantity
  • Georgian: რაოდენობა (raodenoba) — quantity
  • German: Quantum — quantity
  • German: Menge — quantity
  • Hebrew: קְוַנְט — quantity
  • Hungarian: mennyiség — quantity
  • Indonesian: kuantitas — quantity
  • Japanese: 量 (ryō) — quantity
  • Malay: kuantiti — quantity
  • Polish: ilość — quantity
  • Portuguese: quantidade — quantity
  • Russian: коли́чество (kolíčestvo) — quantity
  • Spanish: cantidad — quantity
  • Spanish: quantum — quantity
  • Spanish: quántum — quantity
  • Swedish: kvantitet — quantity
  • Thai: จํานวน (jam-nuuan) — quantity
  • Turkish: kuantum — quantity
  • Turkish: nicem — quantity
  • Vietnamese: số lượng — quantity
  • Vietnamese: lượng — quantity
  • Vietnamese: khối lượng — quantity
  • Afrikaans: hoeveelheid — indivisible unit of a given quantity
  • Arabic: كَمّ (kamm) — indivisible unit of a given quantity
  • Armenian: քվանտ (kʻvant) — indivisible unit of a given quantity
  • Basque: kuantu — indivisible unit of a given quantity
  • Bulgarian: квант (kvant) — indivisible unit of a given quantity
  • Catalan: quàntum — indivisible unit of a given quantity
  • Chinese Cantonese: 量子 (loeng6 zi2) — indivisible unit of a given quantity
  • Chinese Mandarin: 量子 (liàngzǐ) — indivisible unit of a given quantity
  • Finnish: kvantti — indivisible unit of a given quantity
  • French: quantum — indivisible unit of a given quantity
  • Georgian: კვანტა (ḳvanṭa) — indivisible unit of a given quantity
  • Georgian: კვანტი (ḳvanṭi) — indivisible unit of a given quantity
  • German: Quant — indivisible unit of a given quantity
  • German: Minimum — indivisible unit of a given quantity
  • Greek: κβάντο (kvánto) — indivisible unit of a given quantity
  • Hebrew: קְוַנְט — indivisible unit of a given quantity
  • Hungarian: kvantum — indivisible unit of a given quantity
  • Indonesian: kuantum — indivisible unit of a given quantity
  • Irish: candam — indivisible unit of a given quantity
  • Japanese: 量子 (ryōshi) — indivisible unit of a given quantity
  • Korean: 양자 (yangja) — indivisible unit of a given quantity
  • Malay: kuantum — indivisible unit of a given quantity
  • Persian: کوانتم — indivisible unit of a given quantity
  • Polish: kwant — indivisible unit of a given quantity
  • Portuguese: quantum — indivisible unit of a given quantity
  • Russian: квант (kvant) — indivisible unit of a given quantity
  • Spanish: cuanto — indivisible unit of a given quantity
  • Spanish: quantum — indivisible unit of a given quantity
  • Spanish: quántum — indivisible unit of a given quantity
  • Spanish: quanto — indivisible unit of a given quantity
  • Swedish: kvantum — indivisible unit of a given quantity
  • Tagalog: damo — indivisible unit of a given quantity
  • Thai: ควอนตัม (kwaawndtam) — indivisible unit of a given quantity
  • Ukrainian: квант (kvant) — indivisible unit of a given quantity
  • Vietnamese: lượng tử — indivisible unit of a given quantity
  • Volapük: kvant — indivisible unit of a given quantity
Real reading context

quantum in complete knowledge articles