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单词 tympanum
释义

Definition of tympanum in English:

tympanum

nounPlural tympana, Plural tympanums ˈtɪmpənəmˈtɪmpənəm
  • 1Anatomy Zoology
    The tympanic membrane or eardrum.

    〔剖,动〕鼓膜,鼓室

    Example sentencesExamples
    • The tympanum of turtles is supported by a deep quadrate emargination, and the stapes of turtles is slender because it must vibrate quickly to transmit the sounds from the tympanum to the middle ear.
    • That approach is limited to proceeding no further than the stimulation of sensory receptor sheets (retina, skin, taste buds, tympanum, olfactories).
    • In turn, the embayment of the squamosal or cheek region was associated with the development of a tympanum or ear drum.
    • Males call not in choruses, but individually, though adults of both sexes appear to lack tympana (eardrums).
    • The lenticular process is substantially longer than the arm of the manubrium which connects the tympanum to the articular facet.
    1. 1.1Entomology A membrane covering the hearing organ on the leg or body of some insects, sometimes adapted (as in cicadas) for producing sound.
      〔昆〕鸣腔
      Example sentencesExamples
      • The typical insect tympanum is round or oval and membranous in appearance.
      • In the Orthoptera (Grasshoppers and Crickets) tympanum are common.
      • The adults have no tympana and have never been observed vocalizing.
      • Find the tympanum on the grasshopper.
      • The paired auditory organ, the tympanum, is located on the first abdominal segment.
  • 2Architecture
    A vertical recessed triangular space forming the centre of a pediment, typically decorated.

    〔建筑〕山墙饰内三角面

    Example sentencesExamples
    • Architectural stone sculpture was traditionally highlighted with paint and remains survive, for instance, in the tympanum of the basilica of S. Madeleine in Vézelay, France, or on the façade of Conques.
    • The melancholy chief was a magnification of a figure incorporated into Crawford's earlier tympanum frieze of the Senate wing at the United States Capitol.
    • The carvers at Kilpeck also linked the Tree of Life carved on the tympanum with identical foliage gushing from the Green Man on the capital directly below.
    • Some of the ornamental details, such as the projecting shell of the tympanum, are also found on case pieces made in Salem and Newburyport, Massachusetts.
    • Inserted as a tympanum into the skylight of the rear gallery, Red Brace involved LED ‘beams’ that gave the illusion of floating and moving up and down in space.
    • Similar images commonly appear within French Romanesque tympana of the Last Judgment.
    • The cathedral of St-Etienne dates from the eleventh century but its north portal with its distinctive, well preserved tympanum depicting the Ascension instead of the more typical Last Judgement was carved in the next century.
    1. 2.1 A recessed triangular space over a door between the lintel and the arch.
      门楣中心,楣上拱形面
      Example sentencesExamples
      • The center doorway is decorated with an elegant tympanum border of marble carved with foliage.
      • Although now installed in the north transept of the later church, the plaque exactly fits a cavity in the tympanum over the original door giving access from the Panteon to the main sanctuary.
      • The tympanum over the door contained a white marble medallion relief of a mother nursing her children.
      • On the other side of the center door the tympanum shows Jesus giving a blessing with the words pax vobiscum (peace be with you).
      • In October 1903, after the lintels, tympana, and doors were in place, Mrs. Vanderbilt wrote Stanford White.
  • 3archaic A drum.

    〈古〉鼓;鼓面

Origin

Early 17th century: via Latin from Greek tumpanon 'drum', based on tuptein 'to strike'.

Definition of tympanum in US English:

tympanum

nounˈtɪmpənəmˈtimpənəm
  • 1Anatomy Zoology
    The tympanic membrane or eardrum.

    〔剖,动〕鼓膜,鼓室

    Example sentencesExamples
    • The lenticular process is substantially longer than the arm of the manubrium which connects the tympanum to the articular facet.
    • That approach is limited to proceeding no further than the stimulation of sensory receptor sheets (retina, skin, taste buds, tympanum, olfactories).
    • The tympanum of turtles is supported by a deep quadrate emargination, and the stapes of turtles is slender because it must vibrate quickly to transmit the sounds from the tympanum to the middle ear.
    • In turn, the embayment of the squamosal or cheek region was associated with the development of a tympanum or ear drum.
    • Males call not in choruses, but individually, though adults of both sexes appear to lack tympana (eardrums).
    1. 1.1Entomology A membrane covering the hearing organ on the leg or body of some insects, sometimes adapted (as in cicadas) for producing sound.
      〔昆〕鸣腔
      Example sentencesExamples
      • The paired auditory organ, the tympanum, is located on the first abdominal segment.
      • The adults have no tympana and have never been observed vocalizing.
      • Find the tympanum on the grasshopper.
      • The typical insect tympanum is round or oval and membranous in appearance.
      • In the Orthoptera (Grasshoppers and Crickets) tympanum are common.
  • 2Architecture
    A vertical recessed triangular space forming the center of a pediment, typically decorated.

    〔建筑〕山墙饰内三角面

    Example sentencesExamples
    • The carvers at Kilpeck also linked the Tree of Life carved on the tympanum with identical foliage gushing from the Green Man on the capital directly below.
    • The melancholy chief was a magnification of a figure incorporated into Crawford's earlier tympanum frieze of the Senate wing at the United States Capitol.
    • Architectural stone sculpture was traditionally highlighted with paint and remains survive, for instance, in the tympanum of the basilica of S. Madeleine in Vézelay, France, or on the façade of Conques.
    • Similar images commonly appear within French Romanesque tympana of the Last Judgment.
    • The cathedral of St-Etienne dates from the eleventh century but its north portal with its distinctive, well preserved tympanum depicting the Ascension instead of the more typical Last Judgement was carved in the next century.
    • Some of the ornamental details, such as the projecting shell of the tympanum, are also found on case pieces made in Salem and Newburyport, Massachusetts.
    • Inserted as a tympanum into the skylight of the rear gallery, Red Brace involved LED ‘beams’ that gave the illusion of floating and moving up and down in space.
    1. 2.1 A triangular space over a door between the lintel and the arch.
      门楣中心,楣上拱形面
      Example sentencesExamples
      • The tympanum over the door contained a white marble medallion relief of a mother nursing her children.
      • The center doorway is decorated with an elegant tympanum border of marble carved with foliage.
      • On the other side of the center door the tympanum shows Jesus giving a blessing with the words pax vobiscum (peace be with you).
      • Although now installed in the north transept of the later church, the plaque exactly fits a cavity in the tympanum over the original door giving access from the Panteon to the main sanctuary.
      • In October 1903, after the lintels, tympana, and doors were in place, Mrs. Vanderbilt wrote Stanford White.
  • 3archaic A drum.

    〈古〉鼓;鼓面

Origin

Early 17th century: via Latin from Greek tumpanon ‘drum’, based on tuptein ‘to strike’.

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更新时间:2024/12/26 23:30:33