In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Instrument to measure atmospheric pressure

Options

A. a) metronome
B. b) compass
C. c) pedometer
D. d) barometer

Answer

D

Explanation

barometer (N.) : an instrument for measuring air pressure to show when the weather will change
metronome (N.): a device that makes a regular sound like a clock and is used by musicians for helping them keep the correct rhythm while playing a piece of music.
compass (N.): an instrument for finding directions
pedometer (N.): an instrument for measuring how far you have walked