gradate

The subtly gradated tones of pieces such as “Expanding Galaxy” do as much as the curving and sometimes teetering forms to convey a sense of flux and volatility.

Let the reader take the two extreme tints, and carefully gradate the one into the other.

Gradate veins: a transverse series of veins, each before or beyond the next.

From this point the dark and light masses gradate in different directions until they merge above the ships' sails.

At all events he can gradate from black to white with remarkable minuteness and ease.

As soon as you find you can gradate tolerably with the pen, take an H. or HH.