diffuseness diffusely • diffuser · · · Info · Definitions · Characters · · diffuseness · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the spatial property of being spread out over a wide area or through a large volume. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075