Как по Английски будет электромагнитный

noun

A unit for measuring the width of printed matter, equal to the height of the type size being used.

Примеры использования:

From there, sizing descendant elements with ems (a relative unit of measurement) becomes much more …

pronoun

Short for them.

Примеры использования:

Let 'em know who's boss

prefix

Variant spelling of en-1, en-2 assimilated before b, p (as in emblazon, emplacement ).

adjective

Relating to the interrelation of electric currents or fields and magnetic fields.

Примеры использования:

Light is an electromagnetic wave that can carry angular momentum by way of circular polarization.

adjective

Electromagnetic.