Tenkei is my best friend.

Masakazu is my best friend.

I measured the wind speed using an anemometer.

This calorimeter is used to measure the heat capacity of a substance.

I measured the voltage using a voltmeter.

He came up with a desperate measure to cover up his own failure.

You can use a spectrometer to examine the composition of a substance.

There are many 'keiri' (an alternative spelling for 'fu', a kind of bird) living in this lake.

My pedometer is aiming for 10,000 steps a day.

I measured the current using an ammeter.