Stair riser

One of the Buner reliefs, a stair riser depicting devotees, holding plantain leaves, in purely Hellenistic style, inside Corinthian columns, 1st-2nd century CE. Buner, Swat, Pakistan. Victoria and Albert Museum.

A stair riser is the near-vertical element in a set of stairs, forming the space between a step and the next. It is often slightly inclined from the vertical so that its top is closer than its base to the person climbing the stairs. The horizontal edge of the stair is called nosing, whereas the surface on which a person's whole foot makes contact is called the tread.

单词	Stair riser
释义	Stair riser 英语百科 Stair riser A stair riser is the near-vertical element in a set of stairs, forming the space between a step and the next. It is often slightly inclined from the vertical so that its top is closer than its base to the person climbing the stairs. The horizontal edge of the stair is called nosing, whereas the surface on which a person's whole foot makes contact is called the tread.
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