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The aggregate that passes through a 75 mm IS sieve and is entirely retained on a 4.75 mm IS sieve is known as coarse aggregate.
In the classification of aggregates:
* Coarse aggregates are those that are retained on the 4.75 mm sieve and are usually used in concrete mixtures and for road construction.
* Fine aggregates are those that pass through the 4.75 mm sieve and are retained on the 75 µm sieve.
The aggregate in your case, passing through the 75 mm sieve but retained on the 4.75 mm sieve, falls into the coarse aggregate category but is a bit finer than typical coarse aggregate, which usually is retained on sieves with larger openings than 4.75 mm.