Как по Английски будет солнечный загар

noun

The action or activity of exposing one's skin to the sun in order to achieve a brown or darkened colour.

Примеры использования:

Suntanning causes super-accelerated ageing of the skin

verb

(of a person or their skin) become brown or darkened after exposure to the sun.

Примеры использования:

She lives a lifestyle that makes it easy for her to suntan on a regular basis