emp

1. electromagnetic pulse: a burst of electromagnetic energy produced by a nuclear explosion in the atmosphere, considered capable of widespread damage to power lines, telecommunications, and electronic equipment.

1. (in prescriptions) a plaster.

1. Emperor.
2. Empire.
3. Empress.

1. (in prescriptions) after the manner prescribed; as directed.

abbr.

1. ex modo praescripto (in the manner prescribed)