. . "the spatial property of being crowded together"@en-us . . "density"@en-us . "concentration"^^ . "compactness"@en-us . . . . . . . . "0"^^ . . . "denseness"@en-us . . "concentration"@en-us . . "0"^^ . "105088804"^^ . . . . . "the spatial property of being crowded together"@en-us . . "05088804-n"^^ . "tightness"@en-us . .