transmittal transmittable • transmittance · · · Info · Definitions · Synonyms · Characters · · transmittal · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the act of sending a message; causing a message to be transmitted. Synonyms: transmission, transmitting. · · Noun Definition 1 Synonyms · · · transmission · · Synonym 1 transmitting · · Synonym 2 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074