stairwell

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stair·well

 (stâr′wĕl′)
n.
A vertical shaft around which a staircase has been built.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

stairwell

(ˈstɛəˌwɛl)
n
(Architecture) a vertical shaft or opening that contains a staircase
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

stair′well`

or stair′ well`,



n.
the vertical shaft or opening containing a stairway.
[1915–20]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.stairwell - a vertical well around which there is a stairway
well - an open shaft through the floors of a building (as for a stairway)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

stairwell

[ˈstɛəwel] Nhueco m or caja f de la escalera
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

stairwell

[ˈstɛərwɛl] ncage f d'escalier
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

stairwell

[ˈstɛəˌwɛl] ntromba delle scale
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Tamura (1994) measured pressure differences across the stair shaft and elevator shaft walls in the NRC 10-story experimental tower for temperatures ranging from 300[degrees]C to 840[degrees]C (572[degrees]F to 1544[degrees]F) at steady state.
It required maintaining and restoring the historic facade, creating an ADA-compliant lobby as the original could not be converted to meet code, and modifying the stair shaft to fit a new elevator.
The SCA takes advantage of this layout to locate and hide the lateral-load resisting bracing along and within the elevator and stair shaft walls.
Air leakage data for the design of elevator and stair shaft pressurization systems.
The existing stair shaft was modified to fit a new elevator, and two new stair towers were cut into the building in order to meet fire egress standards.
In doing so, the pressure inside the stairwells will be above the local floor pressure and uncontaminated air will exhaust from the stair shaft through any gaps to all floors in the building.
An existing fire stair shaft off the right front lobby seemed a likely choice.
When dealing with multi-story buildings, it is important to compute the mass or volume flow rate through a stair shaft because a stair shaft is one of the main paths of smoke spread from floor to floor.
It isolates the problem of pressurizing a stair shaft with air-handling units in order to maintain non-contaminated escape routes during the fire.
A single open stairwell door can jeopardize the safety of the entire height of the stair shaft, because once smoke enters a stairwell on a single floor through an open door, it is able to move relatively unimpeded to all floors above.
Computational and experimental study of smoke flow in the stair shaft of a 10-story tower.
The observations primarily have to do with stair shaft damage, damage to freight elevator #50, and in some cases elevator shafts.