aneroid

play
adjective an·er·oid \ ˈa-nə-ˌrȯid \

Definition of aneroid

:using no liquid; specifically :operating by the effect of outside air pressure on a diaphragm forming one wall of an evacuated container
  • aneroid barometer

Origin and Etymology of aneroid

French anéroïde, from Greek a- + Late Greek nēron water, from Greek, neuter of nearos, nēros fresh; akin to Greek neos new — more at new


Medical Dictionary

aneroid

play
adjective an·er·oid \ ˈan-ə-ˌrȯid \

medical Definition of aneroid

:containing no liquid or actuated without the use of liquid
  • an aneroid manometer

Learn More about aneroid


Seen and Heard

What made you want to look up aneroid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a ram's-horn trumpet used in Judaism

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!