Definition

1. Noun:
   • A taxonomic order of protists: "order Ulvales" is a scientific classification for a specific group of green algae within the kingdom Protista (or Protoctista). Members of this order are typically marine or freshwater algae, often characterized by a leafy or sheet-like thallus structure.

Usage Examples

• Noun:
  • The seaweed washed ashore was identified as belonging to the order Ulvales.
  • Scientists study the order Ulvales to understand algal biodiversity.

Advanced Usage

• In taxonomic hierarchy: Used in biological classification to specify a rank (order) below class and above family.
  • The classification of the green alga placed it firmly within the order Ulvales.

Variants and Related Words

• Ulvales (n): The standard form, often used without "order" in technical contexts.
  • Ulvales includes genera such as Ulva and Enteromorpha.
• Ulvaceous (adj): Relating to or characteristic of the order Ulvales.
  • The ulvaceous morphology was evident under the microscope.

Synonyms

• None commonly used: As a precise scientific taxonomic name, there are no direct synonyms. It may be informally referred to as "the ulvale algae" or "sea lettuce order."

Related Phrases

• Not applicable: This is a fixed scientific term and does not form standard phrasal verbs or idioms.

Related Idioms

• Not applicable: This term is specific to scientific taxonomy and is not used in idiomatic expressions.

Noun

1. an order of protoctist