v. 使…变色；使…褪色（discolor的现在分词）
adj. 变色的；褪色的

Discolor \Dis*col"or\, v. t. [imp. & p. p. {Discolored}; p. pr.
& vb. n. {Discoloring}.] [OE. descolouren, OF. descolorer, F.
d['e]colorer, fr. L. dis- + cololare, coloratum, to color,
color color. See {Color}.] [Written also {discolour}.]
1. To alter the natural hue or color of; to change to a
different color; to stain; to tinge; as, a drop of wine
will discolor water; silver is discolored by sea water.

2. To alter the true complexion or appearance of; to put a
false hue upon.

To discolor all your ideas. --Watts.