充填因数 chōngtiányīnshù fill factor Origin Definitions Defs Strokes Stroke Words Sentences Sents 充填 chōngtián to fill to fill a gap, hole, or empty space; to pack or pad out; used for material fillings such as dental work or packaging因数 因數 yīnshù noun factor a number that divides into another number without a remainder; divisor; coefficient