aneroid

noun
1
a type of barometer that measures air pressure by the action of air on the elasticlid of a box containing a vacuum
بارومتر بدون مایع, بارومتر بدون جیوه
adjective
1
connected with a type of barometer that measures air pressure by the action of air on the elasticlid of a box containing a vacuum
آنیروئیدی, هواسنج بدون مایع