Definition

1. Noun:
   • A taxonomic class of warm-blooded vertebrates: "Class Mammalia" is the scientific name for the class of animals whose members are characterized by having mammary glands in females for feeding their young with milk. This class includes humans, dogs, whales, and bats.

Usage

• "Class Mammalia" is a formal, scientific term used in biological taxonomy (the science of naming and classifying organisms). It is not typically used in everyday conversation but is essential in academic, zoological, and educational contexts.

Examples

• Noun:
  • Humans belong to Class Mammalia.
  • The evolution of hair is a key characteristic of Class Mammalia.
  • The textbook chapter on vertebrates included a detailed section about Class Mammalia.

Advanced Usage

• In taxonomic hierarchy: The term is used to specify a precise level of biological classification (Kingdom: Animalia, Phylum: Chordata, Class: Mammalia).
  • The fossil record provides evidence for the early members of Class Mammalia.

Variants and Related Words

• Mammal (n): A common term for any individual animal that is a member of Class Mammalia.
  • Whales are aquatic mammals.
• Mammalian (adj): Relating to or characteristic of mammals.
  • The study focused on mammalian anatomy.

Synonyms

• Mammals: The common, non-scientific term for the group.
• The mammalian class: A descriptive synonym.

Related Phrases

• Member of Mammalia: A phrase identifying an organism's classification.
  • The platypus is an unusual member of Mammalia because it lays eggs.

Noun

1. warm-blooded vertebrates characterized by mammary glands in the female