Definition

1. Noun:
   • A class of algae: Diatomophyceae is the taxonomic class name for a major group of algae, primarily unicellular, known as diatoms. These organisms are characterized by their unique, often intricate, silica cell walls.
   • Primary producers: Members of Diatomophyceae are a fundamental component of phytoplankton and are crucial primary producers in both marine and freshwater ecosystems.

Usage Examples

• Noun:
  • The water sample was rich in Diatomophyceae, indicating high productivity.
  • Diatomophyceae are studied for their role in the global carbon cycle and for creating fossil deposits known as diatomaceous earth.

Advanced Usage

• In scientific taxonomy: The term is used in formal biological classification. In modern taxonomy, the group is often referred to as Bacillariophyceae.
  • The classification of Diatomophyceae has been revised with new genetic data.

Variants and Related Words

• Diatom (n): An individual organism belonging to the class Diatomophyceae.
  • A diatom's silica frustule is beautifully patterned.
• Bacillariophyceae (n): A synonymous class name commonly used in contemporary scientific literature.
• Diatomaceous (adj): Of or relating to diatoms or their siliceous remains.
  • Diatomaceous earth is used in filters and as a natural insecticide.

Synonyms

• Bacillariophyceae: The alternate scientific class name.
• Diatoms: The common name for the organisms within this class.

Related Phrases

• Diatom bloom: A rapid increase in the population of diatoms in a body of water.
  • The diatom bloom turned the water brown.
• Frustule: The technical term for the siliceous cell wall of a diatom.

Noun

1. marine and freshwater eukaryotic algae: diatoms