sound law sound knot • sound lens · · · Info · Definitions · Characters · · sound law · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a law describing sound changes in the history of a language. Synonyms: sound law. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075 w latin small letter w U+0077