astrobiology astroalchemist • astroblast · · · Info · Definitions · Synonyms · Characters · · astrobiology · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life. Synonyms: exobiology, space biology. · · Noun Definition 1 Synonyms · · · exobiology · · Synonym 1 space biology · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C 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 y latin small letter y U+0079