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
Any chemical reaction initiated by the absorption of electromagnetic radiation to form an excited state
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a chemical reaction produced by the action of light
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: chemical reaction, reaction
Narrower terms: light reaction
History
No etymology was provided for this word.
Across languages
7 source translations are retained for this English entry.
