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 turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density.
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 degree to which a metal or compound can withstand heat
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: engineering, metallurgy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the amount by which a propagating wave is bent
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: deflection, deflexion
Antonyms: none provided
Broader terms: bending, bend
noun
the change in direction of a propagating wave (light or sound) when passing from one medium to another
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: physical phenomenon
Narrower terms: double refraction, birefringence
History
Etymology tree Proto-Italic *wre- Latin re- Proto-Indo-European *bhreg- Proto-Indo-European *-né- Latin frangō Latin refringō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin refrāctiōbor. English refraction Borrowed from Latin refrāctiō.
Across languages
43 source translations are retained for this English entry.
