Как по Английски будет 虹膜

noun

A flat, coloured, ring-shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the centre.

Примеры использования:

The thin sheet of circular muscle of the iris which constricts the pupil of the eye is also known a…

verb

(of an aperture, typically that of a lens) open or close in the manner of an iris or iris diaphragm.

Примеры использования:

Ann tugged at his arm and pointed down to the hull's underbelly: a round opening had irised out in …

proper noun

The goddess of the rainbow, who acted as a messenger of the gods.

adjective

Coloured like a rainbow; iridescent.

verb

(of an aperture, typically that of a lens) open or close in the manner of an iris or iris diaphragm.