greenhouse emission greenhouse effect • greenhouse gas · · · Info · Definitions · Synonyms · Characters · · greenhouse emission · · Text Common · · Latin · · Scripts 19 · · Length 5 · · Syllables Definitions · · · (noun) a gas that contributes to the greenhouse effect by absorbing infrared radiation. Synonyms: greenhouse gas, greenhouse emission. · · Noun Definition 1 Synonyms · · · greenhouse gas · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 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 u latin small letter u U+0075