Как по Английски будет внутри-

prefix

Variant spelling of in-1, in-2 assimilated before b, m, p (as in imbibe, immure, impart ).

verb

Short for instant message.

contraction

I am.

Примеры использования:

I'm a busy woman

prefix

(added to adjectives) on the inside; within.

Примеры использования:

Intramural

prefix

Variant spelling of in-1, in-2 assimilated before r (as in irradiate, irrelative ).

abbreviation

Infrared.

noun

The chemical element of atomic number 77, a hard, dense silvery-white metal.

The chemical element iridium.