Euphausiacea

plural noun

Eu·​phau·​si·​a·​cea
(ˌ)yüˌfȯzēˈāshēə
: an order of small commonly luminescent malacostracan crustaceans (division Eucarida) related to the Decapoda, resembling shrimps, and in some areas forming an important element of marine plankton
euphausid
(ˈ)yü¦fȯzə̇d
adjective or noun
euphausiid adjective or noun

Word History

Etymology

New Latin, from Euphausia, included genus (perhaps from eu- + Greek pha- —from phainein to show—+ ousia substance) + -acea

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near Euphausiacea

Cite this Entry

“Euphausiacea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Euphausiacea. Accessed 16 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!