A microt was a unit of time. One microt was equal to about one second. ("Crackers Don't Matter")

When Aeryn Sun was injured, John Crichton noted that she had four minutes, quickly correcting himself and stating that it was 180 microts, suggesting that a microt was equal to approximately 1.333 Earth seconds. ("The Flax")

The Peacekeeper stasis gun had a very slow rate of fire, taking several microts to recharge between shots. ("A Bug's Life")