The BS882 description of aggregate mainly retained on a 5mm sieve and containing no more fine material than is allowed in any particular specification. Also material, which is substantially retained on a 3.35mm, sieve for macadams and retained on a 2.36mm sieve for rolled asphalt.
Material predominantly retained on the No. 4 sieve
Naturally occurring, processed or manufactured, inorganic particles in prescribed gradation or size range, the smallest size of which will be retained on the No. 4 (4.76 mm) sieve.
See Aggregate, Coarse