air-breathing
Definition
- Adjective:
- Deriving oxygen from the air: Describes an organism that breathes atmospheric air, as opposed to obtaining oxygen from water. This is a fundamental characteristic of terrestrial vertebrates and some aquatic animals that must surface to breathe.
Usage Examples
- Adjective:
- Whales and dolphins are air-breathing mammals, despite living in the ocean.
- The turtle is an air-breathing reptile that can hold its breath for a long time underwater.
- The study focused on the lungs of air-breathing fish.
Advanced Usage
- Used primarily in biological, zoological, and paleontological contexts to classify organisms based on their respiratory methods.
- Often contrasts with terms like "water-breathing" or "gill-breathing."
- The transition from water-breathing to air-breathing was a key step in vertebrate evolution.
Variants and Related Words
- Air-breather (noun): An organism that breathes air.
- Mammals are obligate air-breathers.
Synonyms
- Pulmonary: Relating to the lungs (often used in a similar technical context).
- Lung-breathing: A more descriptive synonym.
Antonyms
- Water-breathing: Obtaining oxygen from water, typically through gills.
- Gill-breathing: Using gills for respiration.
Adjective
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deriving oxygen from the air
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he studied respiration in marine air-breathing vertebrates
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large air-breathing ichthyosaurs had hydrofoils
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