Definition

1. Noun:
   • A taxonomic class of green algae: "Class Chlorophyceae" refers to a major group of green algae primarily characterized by having flagella (whip-like structures for movement) and a clear green color. Their chlorophyll is not significantly masked by other pigments.

Usage

• Scientific Classification: Used in biological and botanical contexts to categorize a specific class of green, photosynthetic organisms.
  • The pond water sample was rich in members of the class Chlorophyceae.
  • Researchers are studying the evolutionary history of the class Chlorophyceae.

Advanced Usage

• In Taxonomic Hierarchy: "Class Chlorophyceae" is a formal rank below the division Chlorophyta (green algae) and above various orders.
  • The order Chlamydomonadales falls within the class Chlorophyceae.

Variants and Related Words

• Chlorophycean (adj): Of or pertaining to the class Chlorophyceae.
  • The chlorophycean cell structure was examined under the microscope.

Synonyms

• Green algae (in a specific taxonomic context): While "green algae" is a broader term, it is often used informally to refer to this class.
• Chlorophytes (common name for division): This refers to the broader division Chlorophyta, which includes the class Chlorophyceae.

Different Meanings

• This term has a single, specific meaning in scientific taxonomy. It does not have common idiomatic or figurative uses.

Noun

1. algae distinguished chiefly by having flagella and a clear green color, their chlorophyll being masked little if at all by other pigments