Gradate

[grә'deit]

(verb.) pass imperceptibly from one degree, shade, or tone into another; 'The paint on these walls gradates but you don't see it'.

(verb.) arrange according to grades; 'These lines are gradated'.

菲力克斯校对--From WordNet

(v. t.) To grade or arrange (parts in a whole, colors in painting, etc.), so that they shall harmonize.

(v. t.) To bring to a certain strength or grade of concentration; as, to gradate a saline solution.

迪克整理