Significados de decolourise em inglês

Or magenta treated with a bleaching-agent in just sufficient quantity to decolourise it is invisible when used for writing.

While I was still sitting under the sickly, drowsy influence of the drugs that decolourise blood, there came a repeated knocking at the door.

But being slightly soluble in water and decolourised by sulphuretted hydrogen, it would not, other considerations apart, be an acquisition.