yellow-green algae
Definition
Noun 1. A type of algae: Any alga belonging to the division Chrysophyta, characterized by having chlorophyll that is masked or accompanied by a yellow pigment, giving them a distinctive yellow-green color.
Usage
This term is used as a countable noun (e.g., a yellow-green alga) or, more commonly, as an uncountable plural noun to refer to the group collectively (e.g., the yellow-green algae). It is a scientific/biological term. - The pond water sample contained several types of yellow-green algae under the microscope. - Unlike green algae, yellow-green algae store food as oils or leucosin rather than starch.
Advanced Usage
- The term is primarily used in phycology (the study of algae) and ecology.
- It describes a specific taxonomic group (Chrysophyta or Xanthophyta in some classifications) based on pigmentation and cellular structure.
Variants and Related Words
- Yellow-green alga: The singular form.
- Chrysophyte: A more technical synonym for an organism in the division Chrysophyta, which includes yellow-green algae, golden algae, and diatoms in some classifications.
- Xanthophyte: A term sometimes used specifically for yellow-green algae, placing them in the class Xanthophyceae.
Synonyms
- Chrysophytes (in a broad sense)
- Xanthophytes
Related Phrases/Concepts
- Photosynthetic pigments: The yellow pigment (xanthophyll) masks the green chlorophyll.
- Freshwater habitats: Yellow-green algae are commonly found in fresh water, though some exist in marine environments or soil.
Noun
-
any alga of the division Chrysophyta with its chlorophyll masked by yellow pigment
