sulfur bottom

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sulfur bottom

The enormous sulfur bottom whale surfaces in the open ocean.

Definition

Noun: * A common name for the blue whale: "Sulfur bottom" is an informal, historical name for the blue whale (Balaenoptera musculus), the largest animal known to have ever existed. The name refers to the yellowish, sulfur-colored film of diatoms (microscopic algae) that often coats the underside of these whales in certain oceans, giving their belly a yellowish hue.

Usage Examples
  • Noun:
    • Old whalers used to call the blue whale the sulfur bottom because of the yellowish tint on its underside.
    • The term "sulfur bottom" is rarely used in modern marine biology, having been replaced by the common name "blue whale".
Advanced Usage
  • The term is primarily found in historical texts, whaling logs, and older naturalist accounts. It is considered archaic in contemporary scientific and general usage.
Variants and Related Words
  • Blue whale (n): The modern common name for the species .
  • Baleen whale (n): The broader category of whales to which the blue whale belongs, characterized by baleen plates for filter-feeding instead of teeth.
Synonyms
  • Blue whale
  • Great blue whale (archaic)
Related Phrases
  • Whalebone whale: An older term for baleen whale, sometimes used in the same historical contexts as "sulfur bottom".
sulfur bottom

The enormous sulfur bottom whale surfaces in the open ocean.

Noun
  1. largest mammal ever known; bluish-grey migratory whalebone whale mostly of southern hemisphere

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