Definition

Noun 1. A species of rodent: Lemmus trimucronatus is the scientific name for a specific species of lemming, a small rodent found in the arctic and subarctic regions of northwestern Canada and Alaska. It is commonly known as the brown lemming or Nearctic brown lemming.

Usage Notes

• This term is a scientific binomial name (genus and species). It is used primarily in academic, zoological, and ecological contexts.
• In everyday language, the common names "brown lemming" or "Nearctic brown lemming" are typically used instead.

Examples

• Scientific Context:
  • The study focused on the population cycles of Lemmus trimucronatus.
  • Lemmus trimucronatus is a key herbivore in the tundra ecosystem.
• General Context (using common name):
  • The brown lemming's fur changes color with the seasons.

Advanced Usage

• The species name is derived from Latin/Greek roots, likely referring to a morphological feature ("three-pointed" or "three-mucronate"), but this detail is relevant only in specialized taxonomic discussions.

Variants and Related Words

• Brown lemming (n): The common name for .
• Nearctic brown lemming (n): A more precise common name specifying its geographic range.
• Lemming (n): The general term for small rodents of the subfamily Arvicolinae, to which this species belongs.
• Rodent (n): The larger order (Rodentia) of mammals that includes lemmings.

Synonyms

• Brown lemming
• Nearctic brown lemming

Note: There are no idioms or phrasal verbs associated with this specific scientific term.

Noun

1. of northwestern Canada and Alaska