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  2. Floor and ceiling functions - Wikipedia

    en.wikipedia.org/wiki/Floor_and_ceiling_functions

    In mathematics, the floor function is the function that takes as input a real number x, and gives as output the greatest integer less than or equal to x, denoted ⌊x⌋ or floor(x). Similarly, the ceiling function maps x to the least integer greater than or equal to x , denoted ⌈ x ⌉ or ceil( x ) .

  3. Dropped ceiling - Wikipedia

    en.wikipedia.org/wiki/Dropped_ceiling

    A dropped ceiling is a secondary ceiling, hung below the main (structural) ceiling. It may also be referred to as a drop ceiling, T-bar ceiling, false ceiling, suspended ceiling, grid ceiling, drop in ceiling, drop out ceiling, or ceiling tiles and is a staple of modern construction and architecture in both residential and commercial applications.

  4. Ceiling effect (statistics) - Wikipedia

    en.wikipedia.org/wiki/Ceiling_effect_(statistics)

    The "ceiling effect" is one type of scale attenuation effect; [1] the other scale attenuation effect is the "floor effect".The ceiling effect is observed when an independent variable no longer has an effect on a dependent variable, or the level above which variance in an independent variable is no longer measurable. [2]

  5. Christina Hall Says This Flooring Style Is 'Very Much Out ...

    www.aol.com/christina-hall-says-flooring-style...

    Travertine flooring example. iStock. While that "style is very much out" for Hall, the real estate and design expert points out that grays have also become less popular in recent years. "We went ...

  6. Plenum space - Wikipedia

    en.wikipedia.org/wiki/Plenum_space

    Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum; however, some drop-ceiling designs create a tight seal that does not allow for airflow and therefore may not be considered a plenum air-handling space. [1] [2]

  7. Floor effect - Wikipedia

    en.wikipedia.org/wiki/Floor_effect

    The "floor effect" is one type of scale attenuation effect; [3] the other scale attenuation effect is the "ceiling effect". Floor effects are occasionally encountered in psychological testing, when a test designed to estimate some psychological trait has a minimum standard score that may not distinguish some test-takers who differ in their ...

  8. Interstitial space (architecture) - Wikipedia

    en.wikipedia.org/wiki/Interstitial_space...

    Another way to use an interstitial space is to incorporate a design that divides the functions of the building into groups and localizes them. The Zeidler Partnership Architects’ (ZPA) design of the William Osler Health Centre (WOHC) in Brampton, Ontario, is one example of this design. (Note: this was designed but ZPA was not awarded the ...

  9. Ceiling - Wikipedia

    en.wikipedia.org/wiki/Ceiling

    It is not generally considered a structural element, but a finished surface concealing the underside of the roof structure or the floor of a story above. Ceilings can be decorated to taste, and there are many examples of frescoes and artwork on ceilings, especially within religious buildings. A ceiling can also be the upper limit of a tunnel.