angstrom unit angry-looking • angular-toothed · · · Info · Definitions · Synonyms · Characters · · angstrom unit · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation. Synonyms: angstrom, A. · · Noun Definition 1 Synonyms · · · angstrom · · Synonym 1 a · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075