subcutaneous injection subcutaneous • subcutaneously · · · Info · Definitions · Characters · · subcutaneous injection · · Text Common · · Latin · · Scripts 22 · · Length 7 · · Syllables Definitions · · · (noun) an injection under the skin. Synonyms: subcutaneous injection. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 j latin small letter j U+006A n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075