'Blending' definitions:

Definition of 'blending'

noun

The act of blending components together thoroughly [syn: blend, blending]

noun

A gradation involving small or imperceptible differences between grades [syn: shading, blending]

From: GCIDE

Blend \Blend\ (bl[e^]nd), v. t. [imp. & p. p. Blended or Blent (bl[e^]nt); p. pr. & vb. n. Blending.] [OE. blenden, blanden, AS. blandan to blend, mix; akin to Goth. blandan to mix, Icel. blanda, Sw. blanda, Dan. blande, OHG. blantan to mis; to unknown origin.]
1. To mix or mingle together; esp. to mingle, combine, or associate so that the separate things mixed, or the line of demarcation, can not be distinguished. Hence: To confuse; to confound. [1913 Webster]
Blending the grand, the beautiful, the gay. --Percival. [1913 Webster]
2. To pollute by mixture or association; to spoil or corrupt; to blot; to stain. [Obs.] --Spenser. [1913 Webster]
Syn: To commingle; combine; fuse; merge; amalgamate; harmonize. [1913 Webster]

From: GCIDE

Blending \Blend"ing\, n.
1. The act of mingling. [1913 Webster]
2. (Paint.) The method of laying on different tints so that they may mingle together while wet, and shade into each other insensibly. --Weale. [1913 Webster]