saline

1 of 2

adjective

sa·​line ˈsā-ˌlēn  -ˌlīn 

1

: consisting of or containing salt

a saline solution

2

: of, relating to, or resembling salt : salty

a saline taste

3

: consisting of or relating to the salts of the alkali metals or of magnesium

a saline cathartic

salinity

sā-ˈli-nə-tē 

sə-

noun

saline

2 of 2

noun

1

: a metallic salt

especially : a salt of potassium, sodium, or magnesium with a cathartic action

2

: a saline solution

especially : one isosmotic with body fluids

Synonyms of saline

Adjective

• salt

Examples of saline in a Sentence

Adjective

tears are saline

Recent Examples on the Web

Adjective

Common treatments include antihistamines, nasal steroid or antihistamine sprays, saline nasal rinses and allergy eye drops, Ogden said. —Evan Moore, Charlotte Observer, 5 Mar. 2026

Engineers have refined these high-performance concrete formulations to withstand extreme heat and saline coastal conditions, a bid for the tower’s longevity. —Katherine McLaughlin, Architectural Digest, 18 Feb. 2026

Noun

Around the world, terminal saline lakes are shrinking at an alarming rate, research shows. —Evan Bush, NBC news, 7 Mar. 2026

Some compare sniffing isopropanol with a saline or water placebo, others with different aromatherapy scents such as peppermint or lavender, and others with conventional antiemetics. —Kansas City Star, 5 Mar. 2026

Word History

Etymology

Adjective

Middle English, from Anglo-French salin, from Latin salinus, from sal salt — more at salt

First Known Use

Adjective

15th century, in the meaning defined at sense 1

Noun

1662, in the meaning defined at sense 1

Phrases Containing saline

• hyper-saline
• physiological saline

Rhymes for saline

• agin
• alkene
• allene
• ameen
• amin
• amine
• arene
• athene
• baleen
• beeline
• benzene
• between

Kids Definition

saline

adjective

sa·​line

ˈsā-ˌlēn, 

-ˌlīn

1

: consisting of or containing salt

a saline solution

2

: of, relating to, or resembling salt

salinity

sā-ˈlin-ət-ē, 

sə-

noun

Medical Definition

saline

1 of 2 adjective

sa·​line ˈsā-ˌlēn  -ˌlīn 

1

: consisting of or containing salt

a saline solution

2

: of, relating to, or resembling salt : salty

a saline taste

3

: consisting of or relating to the salts especially of lithium, sodium, potassium, and magnesium

a saline cathartic

4

: relating to or being abortion induced by the injection of a highly concentrated saline solution into the amniotic sac

saline amniocentesis

saline

2 of 2 noun

1

a

: a metallic salt

especially : a salt of potassium, sodium, or magnesium with a cathartic action

b

: an aqueous solution of one or more such salts

2

: a saline solution used in physiology

especially : physiological saline