Definition of fenestration in English:


Line breaks: fen|es|tra¦tion
Pronunciation: /ˌfɛnɪˈstreɪʃ(ə)n


[mass noun]
  • 1 Architecture The arrangement of windows in a building.
    More example sentences
    • A few unexpected moves push these time-honored forms into the modern world: extreme angles to the roof pitches, compressed fenestration with staggered window sizes, and square dormers.
    • Extensive fenestration and clerestory windows maximize natural light and provide views of the adjacent park and the city down oak-lined 36th Street.
    • Because these new second-story spaces do not touch the original brick enclosing wall, the building's fenestration remains intact.
  • 2 Botany & Zoology The condition of being fenestrate.
    More example sentences
    • Turtles reflect the ancestral ‘anapsid’ condition and lack temporal fenestration.
    • Some workers suggest that this lack of fenestration is a secondary condition and that turtles should be placed in the Diapsida, but the diapsid vs. anapsid controversy is far from settled.
    • The trait of temporal fenestration has been used extensively in phylogenetic studies of amniotes, but unfortunately, it is not a reliable guide to their evolution.
  • 3 Medicine A surgical operation in which a new opening is formed, especially in the bony labyrinth of the inner ear to treat certain types of deafness.
    More example sentences
    • Occasionally the cysts cause pain because of distension of the liver capsule, and such patients may require cyst fenestration or partial liver resection.
    • This fenestration appears to ameliorate the postoperative course and diminish the incidence of postoperative effusions.
    • Moreover, in the method utilising fenestration, the tube was left in place for 2-3 days for observation prior to permanently removing it.

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a small amount; a little