Как по Английски будет предохраняющий

verb

Protect from harm or damage with an appropriate measure.

Примеры использования:

A framework which safeguards employees from exploitation

noun

A measure taken to protect someone or something or to prevent something undesirable.

Примеры использования:

The charity called for tougher safeguards to protect britain's remaining natural forests

noun

A substance used to preserve foodstuffs, wood, or other materials against decay.

Примеры использования:

Salt has been used for centuries as a preservative

adjective

Acting to preserve something.

Примеры использования:

The preservative effects of freezing

adjective

Protreptic.