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aneroid

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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

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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

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adjective an·er·oid \ ˈan-ə-ˌrȯid \

medical Definition of aneroid

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

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