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Sound Definition & Meaning - Merriam-Webster
SOUND | English meaning - Cambridge Dictionary
SOUND Definition & Meaning | Dictionary.com
Sound | Properties, Types, & Facts | Britannica
Sound - Definition, Meaning & Synonyms | Vocabulary.com
Sound - Wikipedia
sound noun - Definition, pictures, pronunciation and usage notes ...
SOUND definition and meaning | Collins English Dictionary
Sound Definition & Meaning | Britannica Dictionary
Sound - definition of sound by The Free Dictionary