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tympana    
tympanum的复数形式

tympanum的复数形式

Tympanum \Tym"pa*num\, n.; pl. E. {Tympanums}, L. {Tympana}.
[L., a kettledrum, a drum or wheel in machines, the
triangular area in a pediment, the panel of a door, Gr.
ty`mpanon, ty`panon, fr. ? to strike, beat. See {Type}, and
cf. {Timbrel}.]
1. (Anat.)
(a) The ear drum, or middle ear. Sometimes applied
incorrectly to the tympanic membrane. See {Ear}.
(b) A chamber in the anterior part of the syrinx of birds.
[1913 Webster]

2. (Zool.) One of the naked, inflatable air sacs on the neck
of the prairie chicken and other species of grouse.
[1913 Webster]

3. (Arch.)
(a) The recessed face of a pediment within the frame made
by the upper and lower cornices, being usually a
triangular space or table.
(b) The space within an arch, and above a lintel or a
subordinate arch, spanning the opening below the arch.
[1913 Webster]

4. (Mech.) A drum-shaped wheel with spirally curved
partitions by which water is raised to the axis when the
wheel revolves with the lower part of the circumference
submerged, -- used for raising water, as for irrigation.
[1913 Webster]


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  • Tympanum (architecture) - Wikipedia
    A tympanum (pl tympana; from Greek and Latin words meaning "drum") is the semi-circular or triangular decorative wall surface over an entrance, door or window, which is bounded by a lintel and an arch [1] It often contains pedimental sculpture or other imagery or ornaments [2]
  • Tympanum | Roman, Gothic, Baroque | Britannica
    In Romanesque architecture, the tympanum constitutes the area between the lintel over a doorway and the arch above During the 11th and 12th centuries in Europe, tympana over church portals were decorated with intricate and stylized relief sculpture
  • TYMPANA | English meaning - Cambridge Dictionary
    The tympana of 11r-15r include the heads of the evangelist symbols (often drastically cropped); while those of 10v, 15v and 16r are purely decorative Of the tower's two upper stage belfry openings, one is bounded on its sides by narrow columns and headed by a tympana arch containing trefoils
  • Tympana
    Tympana enables scientists and engineers to scale their research and development using machine learning Users teach a model what they are interested in simply by reviewing intelligently selected example data instances and providing domain expertise
  • Tympanum Architecture | Everything You Should Know
    Originating in the ancient civilizations of Greece and Rome, the tympanum is essentially the triangular or semi-circular space nestled above doorways or windows, often bounded by a lintel below and an arch above
  • Tympana | definition of tympana by Medical dictionary
    Diagnosis and Description --The genus Mesoclemmys is part of the toadhead complex of chelid turtles with the following characteristics: A head width between the tympana 15-20% of the median straight length of the carapace
  • Tympanum - (Art History I – Prehistory to Middle Ages) - Fiveable
    A tympanum is a semi-circular or triangular decorative panel located above a doorway, typically found in Romanesque architecture
  • Tympan - Encyclopedia. com
    tympan, tympanum (pl tympana) 1 Triangular or segmental face of a pediment contained between the horizontal and raking cornices or horizontal and segmental cornices, often enriched with relief sculpture
  • Tympanum (anatomy) - Wikipedia
    In general, any animal that reacts to sounds or communicates by means of sound, needs to have an auditory mechanism This typically consists of a membrane capable of vibration known as the tympanum, an air-filled chamber and sensory organs to detect the auditory stimuli
  • What does tympana mean? - Definitions. net
    What does tympana mean? This dictionary definitions page includes all the possible meanings, example usage and translations of the word tympana Did you actually mean tympani or tympan? the ears in Orthoptera How to pronounce tympana? How to say tympana in sign language?





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