freshwater
/'freʃ,wɔ:tə/
Definition
- Noun:
- Water that is not salty: Water found in rivers, lakes, streams, and ponds, as opposed to the saltwater of seas and oceans.
Usage
- The word "freshwater" is primarily used as a noun to describe a type of water body or habitat.
- It is often used attributively (like an adjective) before other nouns to describe things that live in or are related to non-saline water.
Examples
Noun:
- The lake is a vital source of freshwater for the region.
- Many cities rely on freshwater reservoirs for their drinking supply.
Attributive Use (Noun used to modify another noun):
- The aquarium specializes in freshwater fish.
- Pollution is a major threat to freshwater ecosystems.
Advanced Usage
- "freshwater" as an attributive noun: Commonly used in scientific and environmental contexts to categorize species, habitats, or resources.
- The study focused on freshwater mollusks.
- We need better policies for freshwater management.
Variants and Related Words
- Fresh water (noun phrase): An alternative spelling, often used to mean the same thing. (e.g., ).
- Freshwater (adjective): While primarily a noun, its frequent attributive use blurs into adjectival function, meaning "of or living in fresh water." (e.g., ).
Synonyms
- Sweet water (less common, poetic/archaic): Non-salty water.
- Potable water: Specifically means water safe for drinking, which is typically freshwater.
Antonyms
- Saltwater: Water containing a high concentration of dissolved salts, especially sodium chloride (e.g., seawater).
- Brine: Water saturated or nearly saturated with salt.
Related Phrases and Compounds
- Freshwater biology: The scientific study of ecosystems and organisms in freshwater.
- Freshwater pearl: A pearl formed within a freshwater mollusk.
Noun
-
water that is not salty
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