[ yoo-stey-shuh n, -stey-kee-uh n ]
/ yuˈsteɪ ʃən, -ˈsteɪ ki ən /
a canal extending from the middle ear to the pharynx; auditory canal.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for eustachian tube
/ (juːˈsteɪʃən) /
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
Medicine definitions for 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
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for eustachian tube
[ (yooh-stay-shuhn, yooh-stay-kee-uhn) ]
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.