brown algae
Definition
Noun 1. A type of algae characterized by having chlorophyll masked by brown and yellow pigments: Brown algae are primarily marine, multicellular organisms belonging to the class Phaeophyceae. Their distinctive brown color comes from the pigment fucoxanthin, which overshadows the green chlorophyll.
Usage
- Brown algae are a common sight in cool coastal waters.
- Kelp, a type of brown algae, forms extensive underwater forests.
- The study focused on the life cycle of various brown algae.
Advanced Usage
- Ecological Role: Brown algae, such as kelps, are foundational species that create vital habitats and food webs in marine ecosystems.
- Commercial Use: Some brown algae are harvested for alginates, which are used as thickeners and stabilizers in food and industrial products.
Variants and Related Words
- Phaeophyceae (n): The scientific class name for brown algae.
- Kelp (n): A large, fast-growing type of brown algae.
- Fucoxanthin (n): The primary brown pigment found in these algae.
- Algin (n): A derivative extracted from brown algae, used to produce alginates.
Synonyms
- Seaweed (Note: This is a broader, common term that can include green and red algae, but often refers to brown algae in context.)
- Kelp (for specific, large types)
Related Phrases
- Brown algal bloom: A rapid increase in the population of brown algae in an aquatic system.
- Brown algae extract: Refers to products derived from processing these algae, often for alginate or nutritional supplements.
Noun
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algae having the chlorophyll masked by brown and yellow pigments
