Filler: (1)Any copy used to fill space in a newspaper, journal or magazine.(2)In paper making,a substance,such as china clay,used for filling the interstices between the fibres to add weight and opacity.

• （1）补白，（2）填充料:（1）用来填满报纸、期刊或杂志上空白位置的稿。（2）在造纸时，用来填满纤维间的空位的物质。例如：白土。它增加重量何不透明度。