noun which may take the genitive case particle 'no', noun-modifying (irregular)
aneroid
Technical term referring to a type of barometer that does not use liquid, or more broadly to something operating without fluid. Used attributively with の or directly before a noun.
アネロイド気圧計は液体を使わずに気圧を測る。
An aneroid barometer measures atmospheric pressure without using liquid.
この装置はアネロイドの原理を応用している。
This device applies the aneroid principle.