t lymphocyte Tlingit • tm · · · Info · Definitions · Characters · · t lymphocyte · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells. Synonyms: T cell, T lymphocyte. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 y latin small letter y U+0079