aneroidPronunciation: /ˈanərɔɪd/Definition of aneroid adjective relating to or denoting a barometer that measures air pressure by the action of the air in deforming the elastic lid of an evacuated box. noun an aneroid barometer. Origin: mid 19th century: coined in French from Greek a- 'without' + nēros 'water'aneroid in other Oxford dictionaries Definition of aneroid in the US English dictionary
