alga
/'ælgə/
Definition
- Noun:
- A simple, non-flowering, and typically aquatic plant of a large group that includes the seaweeds and many single-celled forms. Algae contain chlorophyll but lack true stems, roots, leaves, and vascular tissue.
Examples of Usage
- Noun:
- The pond water turned green due to an overgrowth of alga.
- Scientists study the alga to understand its role in the marine ecosystem.
- That particular alga is a primary food source for some small fish.
Advanced Usage
- "Alga" vs. "Algae": "Alga" is the singular form, while "algae" is the plural. In general and scientific contexts, "algae" is often used as a collective term, even when referring to a singular concept.
- One alga cell can multiply rapidly. / The algae in this sample are diverse.
Variants and Related Words
- Algae (n, plural): The plural form of alga, commonly used to refer to these organisms collectively.
- The algae bloom caused problems for local fishermen.
- Algal (adj): Of or relating to algae.
- The researcher studied the algal population in the lake.
Synonyms
- Seaweed (n): A macroscopic marine alga. (Note: "Seaweed" refers specifically to larger marine forms, while "alga" can be microscopic or macroscopic.)
- Phytoplankton (n): Microscopic marine algae that drift in the water column.
Related Phrases
- Algal bloom: A rapid increase in the population of algae in an aquatic system.
- The algal bloom depleted oxygen levels in the water.
- Algae eater: An organism, often a fish, that consumes algae.
- We added an algae eater to the aquarium to control the growth.
Noun
-
primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
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