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pendentive

pendentive

9.9
Curved triangular wall section that helps support a dome over a square room
  • noun
  • /ˈpɛndəntɪv/
  • Specialized
translation icon : pendentivo
  • The pendentive allowed for the seamless integration of the circular dome into the square structure.
  • pendentive dome

Examples

  • The crossing would receive a dome on pendentives.

    Academic text (2015)
  • A burst of golden rays, clouds, and angels encircles a cross, as seen to advantage in front of one of six luminous oculi at pendentive level, while the geometric coffering of the same zone provides an arresting backdrop.

    Academic text (1995)
  • Both its main space and chancel would be pendentive-domed.

    Academic text (2015)
  • From the viewer's vantage point, this upper section of the shrine crosses in front of the lower part of the pendentive oculus.

    Academic text (1995)
  • Rather, it resulted directly from the decision to vault every Y unit uniformly with a sail vault or pendentive dome (Fig. 21).

    Academic text (2015)
  • All of the standard chapels were to be of equal size and format: pendentive-domed, hence square, on a base equal to the interaxial nave intercolumniation (Y).

    Academic text (2015)
  • The aureole surrounding the cross at the top is visually linked with the background pendentive and its oculus, bracketed by the sweeping soffits of the adjacent arches.

    Academic text (1995)
  • The heavy arc of the entablature, separating the pendentive zone and cupola drum, connects the capitals of the foreground columns and locks into place the entire assemblage below.

    Academic text (1995)
  • The six huge windows of the drum and the openings in the perforated dome above admit generous amounts of light into the rotunda below (Fig. 14), while the six oculi of the pendentive zone provide indirect lighting.

    Academic text (1995)
  • The architect chose a pendentive to support the dome over the entrance hall.

How Complex

pendentive
  • Specialized
9.9
trumpet arch
  • Specialized
9.9
squinch
  • Specialized
9.9
arch
41 3.5
opening
179 1.0

Surface Forms

pendentive singular
pendentives plural

Morphology

pendentive = pendent (opaque) = pendent + ive

Although formed from 'pendent' + '-ive', the architectural meaning (a curved triangular support for a dome) is specialized and not predictable from the base for an average learner.

Etymology

Pendentive comes from the Latin word pendere 'to hang', via old French and Italian forms. In architecture, those curved triangular pieces behave like hanging parts between the corners, helping a round dome 'hang' over a square room, which is why they are called pendentives.