simple past tense and past participle of stain

Something that stains. / One who stains or tarnishes. / A workman who applies a stain to wood, etc.

Gram's method of distinguishing the two main groups of bacteria

To walk up a set of stairs as exercise.

A shaft in a multi-story building enclosing a stairway or staircase.

Describing an alloy that is resistant to corrosion and discoloration. / Unmarked, spotless.

Short for stainless steel.

present participle of stain

The angled part of a staircase used for handholding. Usually on both sides of the staircase, sometimes it is put only on one side.

Alternative spelling of stainless steel