Slow mo and Slow motion

Slow motion and slow mo are semantically related In some cases you can replace phrase "Slow motion" with "Slow mo", this phrases are similar.

Slow motion noun - A movie that apparently takes place at a slower than normal speed; achieved by taking the film at a faster rate.

Slow mo and slow motion are semantically related in slowest possible pace topic. You can use "Slow mo" instead a noun phrase "Slow motion".