What does intermittent use mean?

The adjective intermittent modifies things that work or stop and start at periodic intervals. An interesting use of something intermittent is a metronome, a device that marks off time in music by making a sound in a regular pattern.

What are some examples of intermittent?

The definition of intermittent is something that starts and stops or happens irregularly. An example of intermittent is occasional thunder during a rainstorm. Alternately containing and empty of water.