stroma strom • stromal · · · Info · Definitions · Characters · · stroma · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) a mass of fungal tissue that has spore-bearing structures embedded in it or on it. · · Noun Definition 1 (noun) the dense colorless framework of a chloroplast. · · Noun Definition 2 (noun) the supporting tissue of an organ (as opposed to parenchyma). · · Noun Definition 3 Characters · · a latin small letter a U+0061 m latin small letter m U+006D 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