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
The simultaneous creation of a particle and its antiparticle.
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
the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: pair creation, pair formation
Antonyms: none provided
Broader terms: natural process, natural action, action, activity
History
No etymology was provided for this word.
Across languages
2 source translations are retained for this English entry.
