Through gradual accretions the group now consisted of nine- teen families with seventeen wagons.

The integration of a useable camera and gradual accretion of other services and facilities is obvious.

Callisto's gradual accretion and the lack of tidal heating meant that not enough heat was available for rapid differentiation.

Was there one act of composition, or a gradual accretion of a poetic tradition?

The most optimistic view is that evolution has involved a gradual accretion of new structures, added on to primitive ones common to all mammals.

Growing, "by a process of gradual accretion.

Abandonment of that purity, though, entails the risk of simplistically recapitulating Western music's gradual accretion of complexity.

Multidisciplinary in its ambitions, it has been build up by gradual accretion rather than by a policy of big spending and an immediate high bid for importance.

The overall design is formed out of a gradual accretion of atomised points into melodic chains.

It was a work of gradual accretion, and up close one can see the various levels and layers.