Definition

1. Noun:
   • Water containing a significant concentration of dissolved salts: "salt water" refers to water, typically found in oceans and seas, that has a high level of salinity (dissolved salts, mainly sodium chloride), as opposed to fresh water.
   • Seawater: In common usage, "salt water" is synonymous with seawater, the water of the world's oceans and seas.

Usage Examples

• (Water from the sea with dissolved salts.)
• (Seawater environment.)
• (Seawater ingested during swimming.)

Advanced Usage

• "salt water" as a modifier: Used as an adjective to describe things related to or living in salt water.

  • Salt-water fish are not suitable for freshwater aquariums. (Fish that live in seawater.)
  • The salt-water marsh is home to many unique plant species. (A marsh influenced by tidal salt water.)

• "to be in salt water": To be immersed in seawater or a saline solution.

  • The shipwreck lay in salt water for centuries. (The wreck remained submerged in the sea.)

Variants and Related Words

• Saltwater (adj): a variant spelling (often used as a single word) meaning "of, relating to, or living in salt water."
  • Saltwater crocodiles are found in coastal areas. (Crocodiles that inhabit saltwater environments.)
• Saltiness (n): the quality of being salty or containing salt.
  • The saltiness of the water increased as they sailed further from the river mouth. (The degree of salt content.)

Synonyms

• Seawater: water from the sea or ocean.
• Brine: very salty water, often used for preserving food or in industrial processes.
• Saline water: water containing dissolved salts, a technical term.

Related Idioms

• "Like a fish out of salt water": A playful variation on "like a fish out of water," meaning someone in an unfamiliar or uncomfortable situation (though less common).
  • He felt like a fish out of salt water at the desert conference. (He felt out of place.)
• "Salt water in one's veins": A metaphorical expression suggesting a deep connection to the sea or a seafaring life.
  • She has salt water in her veins; she's been a sailor all her life. (She is inherently tied to the ocean.)

Antonyms

• Fresh water: water with low concentrations of dissolved salts, such as in rivers and lakes.
  • Canoes work well in fresh water but may corrode in salt water. (Freshwater vs. saltwater environments.)