Standard Lemma 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.
Sound
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noun
The act of irradiating; emission of rays of light.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
That which irradiates or is irradiated; lustre; splendour; brilliancy.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The radiant power received by unit area of surface.
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
History
Etymology tree English irradiant Latin -iader. Old French -ancebor. Middle English -aunce English -ance English irradiance From irradiant + -ance.
Across languages
3 source translations are retained for this English entry.
