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tympanum    音标拼音: [t'ɪmpənəm]
n. 鼓膜;鼓室;中耳;振动膜

鼓膜;鼓室;中耳;振动膜

tympanum
n 1: the main cavity of the ear; between the eardrum and the
inner ear [synonym: {middle ear}, {tympanic cavity},
{tympanum}]
2: the membrane in the ear that vibrates to sound [synonym:
{eardrum}, {tympanum}, {tympanic membrane}, {myringa}]
3: a large hemispherical brass or copper percussion instrument
with a drumhead that can be tuned by adjusting the tension on
it [synonym: {kettle}, {kettledrum}, {tympanum}, {tympani},
{timpani}]

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]

90 Moby Thesaurus words for "tympanum":
Eustachian tube, allantoic membrane, amnion, amniotic sac, anvil,
arachnoid membrane, auditory apparatus, auditory canal,
auditory meatus, auditory nerve, auditory ossicles, auditory tube,
auricle, basement membrane, basilar membrane, bongo drum,
bony labyrinth, cauliflower ear, cochlea, conch, concha, conga,
conjuctiva, drum, drumhead, drumskin, drumstick, ear, ear lobe,
eardrum, endolymph, external ear, hammer, hymen, incus, inner ear,
jazz stick, kettle, kettledrum, lobe, lobule, lug, maidenhead,
malleus, mastoid process, membrana serosa, membrana tympana,
membrane, membranophone, meninges, meninx, middle ear, neurilemma,
organ of Corti, outer ear, oval window, pellicle, pericardium,
perilymph, perineurium, pinna, pleura, round window,
secondary eardrum, semicircular canals, serosa, shell, side drum,
snare, snare drum, stapes, stirrup, tabor, taboret, tabret,
tam-tam, tambourine, tenor drum, timbrel, timpani, tom-tom,
troll-drum, tymp stick, tympan, tympanic cavity, tympanic membrane,
tympanon, velum, vestibule, war drum


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  • What is the difference between a tympanum and a pediment?
    Tympanum: In Classical architecture, the name given to the triangular space between the horizontal and sloping cornices on the front of a pediment; it is often left plain, but sometimes covered with sculpture
  • 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]
  • Tympanum | definition of tympanum by Medical dictionary
    Looking for online definition of tympanum in the Medical Dictionary? tympanum explanation free What is tympanum? Meaning of tympanum medical term What does tympanum mean?
  • Eardrum vs. Tympanum — What’s the Difference?
    The eardrum and tympanum refer to the same anatomical structure in the ear, responsible for transmitting sound vibrations to the inner ear
  • tympanum | Art History Glossary - Stephens College
    tympanum The semicircular wall surface above the lintel of an arched doorway In Romanesque and Gothic architecture, the tympanum often contained relief sculpture
  • Campanile, Façade and Tympanum – Prominent Exterior Parts of a Church
    The tympanum was a characteristic feature of important, majestic buildings of ancient Greece and Rome and, thus, is used in ecclesiastical architecture to denote the majesty of God; as well as to aid in preparation of the worshipper for the holy service inside
  • Epitympanum | Radiology Reference Article | Radiopaedia. org
    The epitympanum, also known as the attic or epitympanic recess, is the most superior portion of the tympanic cavity It is the portion of the tympanic cavity that lies superior to the axial plane between the tip of the scutum and the tympanic segment of the facial nerve 1,3 Posteriorly the epitympanum is in direct continuity with the mastoid antrum via the aditus ad antrum, and thence the
  • Tympanum - Oxford Reference
    "tympanum" published on by Oxford University Press "tympanum" published on by Oxford University Press 1 In mammals, the membrane that separates the *outer ear from the *middle ear It vibrates in response to sound waves and transmits these vibrations via the Update Jump to Content Personal Profile
  • TYMPANUM Definition Meaning - Merriam-Webster
    The meaning of TYMPANUM is tympanic membrane tympanic membrane; middle ear; a thin tense membrane covering an organ of hearing of an insect… See the full definition





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