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
（与）膜盒气压计（有关）的, 空盒气压表的。
a barometer of this type
无液气压计, 膜盒气压计, 空盒气压表。
词源
mid 19th cent.: coined in French from Greek a- 'without' + nēros 'water'.