Phrase guide
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.
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noun
A theory developed in the early 20th century, according to which nuclear and radiation phenomena can be explained by assuming that energy only occurs in discrete amounts called quanta.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Modern quantum mechanics.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
(physics) a physical theory that certain properties occur only in discrete amounts (quanta)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: scientific theory
History
No etymology was provided for this word.
Across languages
10 source translations are retained for this English entry.
