Word.ws English Dictionary

Plural of quantum

regular plural

The plural of quantum is quantums or quanta.

Forms of quantum

Singularquantum /ˈkwɒntəm/
Pluralquantums
quanta
Countablecountable and uncountable

Meaning of quantum

  1. noun The total amount of something; quantity.
  2. noun The amount of compensation awarded to a successful party in a lawsuit.
  3. noun The length or magnitude of the sentence handed down to someone who has been found guilty of a crime.

Full definition of quantum

Questions about the plural of quantum

What is the plural of quantum?
The plural of quantum is quantums or quanta.
Which is correct, quantums or quanta?
Both are used. quanta is the more common of the two in English writing.
Is quantum countable?
Quantum is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: quantum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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