histone histonal • histonomy · · · Info · Definitions · Characters · · histone · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a simple protein containing mainly basic amino acids; present in cell nuclei in association with nucleic acids. · · Noun Definition 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074