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.


(in prescriptions) a plaster.

Origin of emp.

From the Latin word emplastrum



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

Origin of e.m.p.

From the Latin word ex mōdō praescrīptō
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for emp

Historical Examples of emp

  • That feller she has picked out for herself must be the Emp'ror of Peeroo.

  • I may have to make a sawt o' Emp'ess Josephine o' her—ef she lives.

    John March, Southerner

    George W. Cable

  • An' my pal he woke me up one night 'bout twelve o'clock 'n' told me that he was the Emp'rer o' the North Pole.

  • Technological solutions are crucial but may not be conceivable outside the EMP effects of nuclear weapons.

    Shock and Awe

    Harlan K. Ullman

  • Only our Doctor—Doctor Break—says he's an emp—or imp something—worse than imposter.

    Rewards and Fairies

    Rudyard Kipling

emp in Medicine



ex modo praescripto (in the manner prescribed)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.