| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024tym•pa•num (tim′pə nəm),USA pronunciation n., pl. -nums, -na (-nə).USA pronunciation - Anatomy, Zoology
- See middle ear.
- See tympanic membrane.
- Architecture
- the recessed, usually triangular space enclosed between the horizontal and sloping cornices of a pediment, often decorated with sculpture.
- a similar space between an arch and the horizontal head of a door or window below.
- Telecommunications[Elect.]the diaphragm of a telephone.
- Music and Dancea drum or similar instrument.
- Music and Dancethe stretched membrane forming a drumhead.
- Greek týmpanon drum, akin to týptein to beat, strike
- Latin
- 1610–20
Collins Concise English Dictionary © HarperCollins Publishers:: tympanum /ˈtɪmpənəm/ n ( pl -nums, -na / -nə/)- the cavity of the middle ear
- another name for tympanic membrane
- any diaphragm resembling that in the middle ear in function
Also called: tympan the recessed space bounded by the cornices of a pediment, esp one that is triangular in shape and ornamented- the recessed space bounded by an arch and the lintel of a doorway or window below it
- a tympan or drum
- a scoop wheel for raising water
Etymology: 17th Century: from Latin, from Greek tumpanon drum; related to Greek tuptein to beat |