alga
UK: ˈælɡə | US: ˈælɡə
n. A simple, non-flowering aquatic plant, typically microscopic or forming large colonies (e.g., seaweed).
alga = alg<seaweed> + a<noun suffix>
- alg<seaweed>: From Latin alga, meaning "seaweed" or "aquatic plant."
- a<noun suffix>: A Latin feminine singular ending, often used in biological taxonomy.
Etymology Origin:
The word alga traces back to Latin, where it broadly referred to aquatic plants like seaweed. Its singular form (alga) and plural (algae) reflect Latin grammatical patterns. The term entered English in the 16th century through scientific usage, retaining its original ecological focus. The morpheme alg- persists in related terms like algae and algology (the study of algae), showcasing its stable semantic link to aquatic plant life.
The pond was covered with green alga after weeks of warm weather.
Scientists study alga to understand its role in marine ecosystems.
Some species of alga are used in food products like sushi wraps.
The aquarium glass needs cleaning to remove the stubborn alga.
Alga blooms can deplete oxygen in water, harming fish populations.