from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Relating to or resembling a drum.
- adj. Anatomy Of or relating to the middle ear or eardrum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. of, relating to, or resembling a drum
- adj. relating to the eardrum or middle ear; tympanal
- adj. resonant
from the GNU version of the Collaborative International Dictionary of English
- adj. Like a tympanum or drum; acting like a drumhead.
- adj. Of or pertaining to the tympanum.
- n. The tympanic bone.
from The Century Dictionary and Cyclopedia
- Of, pertaining to, or resembling a tympan or tympanum; similar to or acting like a drumhead.
- In anatomy, of or pertaining to the tympanum: as, the tympanic cavity.
- n. A bone of the ear of man and mammals, supporting the tympanic membrane, generally annular or tubular, forming most of the meatus auditorius externus, or external auditory passage.
- n. Below mammals, in animals in which the true tympanic is rudimentary or wanting, the quadrate or pedicellate bone, the representative of the malleus; the suspensorium of the lower jaw, or especially its uppermost piece, the hyomandibular or epitympanic: so called by some who suppose it to be the tympanic bone, from the fact that it in part supports the tympanic membrane. See quadrate, n., 3 , hyomandibular, epitympanic, and other compounds of tympanic there cited
- n. In ornithology, sometimes, the tympano-occipital, considered as the true representative in birds of the tympanic of a mammal.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. associated with the eardrum
- adj. resembling a drum
On the other side of the tympanum is a small air-filled space called the tympanic cavity.
It is called the tympanic antrum, and must be distinguished from the mastoid cells, though it communicates with them.
The aperture, surrounded by the folds of the external ear, leads by a canal towards a cavity called the tympanic cavity, which cavity is shut off from the exterior by the tympanic membrane (or drum of the ear), which stretches across the canal at a considerable distance from its external aperture.
I wandered over in a disbelieving daze just in time to hear my Dad say, "... and your drummer, very tympanic ..." while Pete bemusedly nodded.
And, as my Dad once pointed out to Pete, his drummer was "very tympanic."
Despite the efforts of Nissan's engineers to improve ride compliance, the over-the-road feel is tympanic, concussive, brutal, and tar strips zing your hands through the suede-wrapped steering wheel.
Quite aside from global travel and commerce, and from America's inevitable aid response to those suffering massive tympanic earthquakes, think about St. Louis 'small 5.2 Richter in April 2008, a tiny reminder of the 1811 St. Louis earthquake that would be devastating if it occurred today.
It might be, however, that low frequencies, for example received by the lungs, would have alternate, non-tympanic pathways.
Impedance matching of the tympanic middle ear occurred very early in amniote evolution.
Since the ear is a pressure-gradient ear, the tympanic response at low frequencies is very small, that part of the low frequency sensitivity is extratympanic.
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