Definitions

1. noun

a solution of salt in water, used especially in medicine or as a contact lens solution

“She rinsed her contact lenses with saline solution before putting them in.”

2. adjective

containing or made from salt

“The saline water from the ocean is not suitable for human consumption.”

3. adjective

relating to or affecting the salt glands of plants

“The saline conditions in the greenhouse were ideal for the salt-tolerant succulents.”