Crystalline sodium chloride used for seasoning and preserving foods.

• Varieties of edible salt used in cooking.

Ionic compounds formed by acid–base reactions.

• Any of many salts beyond sodium chloride.

Epsom salts or similar medicinal salts.

• Salts used as laxatives or inhalants.

Sailors, especially seasoned seafarers.

Random data added to passwords or hashes to thwart attacks.

Third-person singular of salt: adds salt to something.

• By extension, seeds or inserts something, as data or evidence.