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tympanum

tympanum (tĬm´pənəm). In architecture, the triangular space of a pediment, or low-pitched gable, above a portico, door, or window. Its boundaries are generally cornice moldings. The term also designates the solid wall space above an arched window or door. Sculptured tympana of this type, within round or pointed arches, occurred above the doors of the recessed portals in the medieval churches. They were universal in both Romanesque and Gothic periods, and were especially fine in France. The usual subjects are biblical and symbolic, often arranged in horizontal tiers with numerous figures to illustrate a complete legend. Over the central doorway of Notre-Dame de Paris is a depiction of the Last Judgment. In Italy tympana were sometimes decorated with mosaic or fresco.

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tympanum

tym·pa·num / ˈtimpənəm/ • n. (pl. -nums or -na / -nə/ ) 1. Anat. & Zool. the tympanic membrane or eardrum. ∎  Entomol. a membrane covering the hearing organ on the leg or body of some insects, sometimes adapted (as in cicadas) for producing sound. ∎  archaic a drum. 2. Archit. a vertical recessed triangular space forming the center of a pediment, typically decorated. ∎  a similar space over a door between the lintel and the arch.

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tympanum

tympanum (tympanic membrane; eardrum) The membrane that separates the outer ear from the middle ear. It vibrates in response to sound waves and transmits these vibrations via the ear ossicles of the middle ear to the site of hearing (the cochlea of the inner ear). In amphibians and some reptiles there is no external ear and the tympanum is exposed at the skin surface.

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tympanum

tympanum drum, tambourine, etc.; ear-drum. XVII. — L. — Gr. túmpanon drum, f. nasalized var. of base of túptein strike.

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tympanum

tympanum, tympana. The kettledrum(s) as spelt in medieval documents (sometimes tymbal), but the modern spelling timpani is now standard.

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tympanum

tympanum (timp-ă-nŭm) n. the middle ear (tympanic cavity) and/or the eardrum (tympanic membrane).

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tympanum

tympanum See TYMPANIC MEMBRANE.

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tympanum

tympanum •minimum • maximum • optimum •chrysanthemum, helianthemum •cardamom • Pergamum • sesamum •per annum • magnum • damnum •Arnhem, Barnum •envenom, venom •interregnum • Cheltenham • arcanum •duodenum, plenum •platinum • antirrhinum • Bonham •summum bonum • Puttnam •ladanum • molybdenum • laudanum •origanum, polygonum •organum • tympanum •laburnum, sternum •gingham • Gillingham • Birmingham •Cunningham • Walsingham •Nottingham • wampum • carom •Abram • panjandrum • tantrum •angstrom • alarum • candelabrum •plectrum, spectrum •arum, harem, harum-scarum, Sarum •sacrum, simulacrum •maelstrom • cerebrum • pyrethrum •Ingram •sistrum, Tristram •Hiram •grogram, pogrom •nostrum, rostrum •cockalorum, decorum, forum, jorum, Karakoram, Karakorum, Mizoram, pons asinorum, quorum •wolfram • fulcrum • Durham •conundrum • buckram • lustrum •serum, theorem •labarum • marjoram • pittosporum •Rotherham • Bertram

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