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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No pronunciation record was provided for this word.
noun
The ratio of the flux reflected to that incident on a 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
noun
the fraction of radiant energy that is reflected from a surface
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: coefficient of reflection, reflection factor, reflectivity
Antonyms: none provided
Broader terms: coefficient
History
Etymology tree English reflect Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -iader. Old French -ancebor. Middle English -aunce English -ance English reflectance From reflect + -ance.
Across languages
2 source translations are retained for this English entry.
