transmission time transmission theory • transmission tower · · · Info · Definitions · Synonyms · Characters · · transmission time · · Text Common · · Latin · · Scripts 17 · · Length 4 · · Syllables Definitions · · · (noun) the coordinated universal time when a transmission is sent from Earth to a spacecraft or other celestial body. Synonyms: transmission time, TRM. · · Noun Definition 1 Synonyms · · · trm · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 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