Eustachian tube

[ yoo-stey-shuhn, -stey-kee-uhn ]

/ yuˈsteɪ ʃən, -ˈsteɪ ki ən /

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noun Anatomy.

a canal extending from the middle ear to the pharynx; auditory canal.

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Origin of Eustachian tube

1735–45; named after Eustachio; see -an

Words nearby Eustachian tube

eusocial, eusol, eusporangiate, Eustace, eustachian, Eustachian tube, Eustachio, Eustacia, eustasy, eustatic, eustele

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Eustachian tube in a sentence

With the help of mobility aids and a feeding tube, she lived well past her initial prognosis of death by age 4.
U.K. Courts Grant Mother Right to End Her 12-Year-Old Disabled Daughter’s Life|Elizabeth Picciuto|November 4, 2014|DAILY BEAST
That incident was due to an “equipment” problem (a steel tube ruptured)—resulting in explosive vapors being released and ignited.
Oil Tankers Leaking into Seattle’s Water|Bill Conroy|October 13, 2014|DAILY BEAST
For hoodie-clad, Silicon Valley-types, this means more transistors in a dense integrated tube.
How We Compute: Flexible Hardware Required||September 29, 2014|DAILY BEAST
With shorts, a man is expected to wear ankle socks rather than pulled up tube socks.
The Problem With Weird Al’s ‘Word Crimes’ Video|John McWhorter|July 23, 2014|DAILY BEAST

Also, because a tube of lipstick stands in for the “i” in “science.”
Girls Love Science. We Tell Them Not To.|Tauriq Moosa|July 17, 2014|DAILY BEAST
Drone: the largest tube of a bag-pipe, giving forth a dull heavy tone.
Gulliver's Travels|Jonathan Swift
Should the vapor not condense well, the test-tube may be immersed in a glass of cold water.
A Manual of Clinical Diagnosis|James Campbell Todd
For comparison, the gas may be passed through a test-tube containing an equal amount of distilled water.
A Manual of Clinical Diagnosis|James Campbell Todd
At once cover the mouth of the tube with a filter-paper cap moistened with saturated aqueous solution of silver nitrate (1:1).
A Manual of Clinical Diagnosis|James Campbell Todd
The best pipet is a small glass tube which has been drawn out at one end to a tip with rather small opening.
A Manual of Clinical Diagnosis|James Campbell Todd

British Dictionary definitions for Eustachian tube

Eustachian tube

/ (juːˈsteɪʃən) /

noun

a tube that connects the middle ear with the nasopharynx and equalizes the pressure between the two sides of the eardrum

Word Origin for Eustachian tube

C18: named after Bartolomeo Eustachio, 16th-century Italian anatomist

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for Eustachian tube

eustachian tube

A slender tube that connects the tympanic cavity with the nasal part of the pharynx and serves to equalize air pressure on either side of the eardrum.auditory tube salpinx

Scientific definitions for Eustachian tube

eustachian tube

[ yōō-stā′shən ]

A slender tube that connects the middle ear with the upper part of the pharynx, serving to equalize air pressure on either side of the eardrum.

Cultural definitions for Eustachian tube

Eustachian tube

[ (yooh-stay-shuhn, yooh-stay-kee-uhn) ]

A tube made up of bone and cartilage that connects the middle ear to the back of the mouth.

notes for Eustachian tube

Swallowing during airplane takeoffs and landings allows air to move through the Eustachian tube to equalize pressure across the eardrum, causing the ears to “pop.”