from the GNU version of the Collaborative International Dictionary of English

  • adj. Discovered by Eustachius.
  • adj. Pertaining to the Eustachian tube.

from The Century Dictionary and Cyclopedia

  • Pertaining to or named from Bartolomeo Eustachio, an Italian anatomist (died 1574).


Sorry, no etymologies found.


  • On an airplane a baby may cry for their usual reasons, but they may also experience ear pain due to their narrower eustachian tubes behind the eardrum becoming blocked.

    Corinne McDermott: Crying Babies & Crybabies on a Plane...

  • In children, the thin and flexible eustachian tube between the inner ear and nasal cavity often collapses and fails to drain an infected ear.

    You Raising Your Child

  • Amusing typo of the day 'station tube'.... er that should be eustachian tube, methinks.

    mikandra: I love Twitter

  • They can turn just about every organ in the body—the eustachian tube, the gill, the brain, the bladder, the Achilles tendon—into their home.

    Parasite Rex

  • LISTEN TO THE MIDDLE EARThe shape and position of their eustachian tubes make infants vulnerable to ear infections.

    To Dose Or Not To Dose?

  • Most of the time, the eustachian tube allows air to flow into the middle ear.

    To Dose Or Not To Dose?

  • The confusion extends to otitis media with effusion (OME), a painless condition in which the eustachian tubes are blocked and the middle ear fills up with fluid.

    To Dose Or Not To Dose?

  • They can hear little during the first 24 hours until air enters the eustachian tubes.

    'The Thing About Life Is That One Day You'll Be Dead'

  • Inhaled smoke irritates the eustachian tube, which connects the back of the nose with the middle ear.

    Effects of Secondhand Smoke on Children's Health

  • But I spoke to a friend of mine who is an ENT specialist and she told me that this is very normal, and not anything to worry about - at this age the eustachian tubes of little kids are very horizontal, and so the fluid that is produced during an ear infection sometimes takes a while to drain away, hence his 'blocked' ear.

    Full steam ahead


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