Oligochaeta

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Definition
  1. Noun:
    • A class of annelid worms: "Oligochaeta" is the scientific name for a class of segmented worms, primarily comprising earthworms and related freshwater species. They are characterized by having few bristles (chaetae) per body segment.
    • Earthworms: In common usage, "Oligochaeta" often refers specifically to earthworms, which are the most familiar members of this class.
Usage Examples
  • Noun:
    • The soil's health is greatly improved by the presence of Oligochaeta.
    • Biologists study the anatomy of Oligochaeta to understand annelid evolution.
Advanced Usage
  • In taxonomic context: Used formally in biological classification.
    • The phylum Annelida is divided into classes such as Polychaeta and Oligochaeta.
Variants and Related Words
  • Oligochaete (noun): An individual worm belonging to the class Oligochaeta.
    • An earthworm is a common type of oligochaete.
Synonyms
  • Earthworms (common term)
  • Annelid worms (broader category)
Notes on Meaning

The term "Oligochaeta" is primarily a scientific, taxonomic term. In non-scientific contexts, "earthworms" is the far more common and understandable word.

Noun
  1. earthworms

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