To discolour.
To cause to seem inferior or soiled by comparison.
To coat a surface with a stain
To treat (a microscopic specimen) with a dye, especially one that dyes specific features
To taint or tarnish someone's character or reputation
To become stained; to take a stain.
A reagent or dye used to stain microscope specimens so as to make some structures visible.
A discoloured spot or area.
Any of a number of non-standard tinctures used in modern heraldry.
A blemish on one's character or reputation.
A substance used to soak into a surface and colour it.
To besmirch.
To create a tar archive.
To coat with tar.
A file produced by such a program.
A black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal.
A Persian long-necked, waisted string instrument, shared by many cultures and countries in the Middle East and the Caucasus.
A solid residual byproduct of tobacco smoke.
A single-headed round frame drum originating in North Africa and the Middle East.
Black tar, a form of heroin.
Coal tar.
A program for archiving files, common on Unix systems.