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Definition of ascidian
ascidian
/əˈsɪd.i.ən/
as · cid · i · an
Plural:ascidians
ascidian Lexical Profile
CEFR
C2
Grade
12
Tier
3
Usage
Rare
ascidian Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A marine invertebrate animal of the class Ascidiacea, commonly known as a sea squirt, characterized by a tough outer tunic and a sac-like body that filters water for food.
Example
"The marine biologist studied the embryonic development of the ascidian to better understand early chordate evolution."
Synonyms
View all synonyms for ascidian• Rhymes for ascidian
Word Origin & Etymology
Derived from Modern Latin 'ascidia', which comes from Ancient Greek 'askídion' (meaning 'little bag' or 'wineskin', a diminutive of 'askós'), combined with the English suffix '-an'.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Ascidian. In Wordmom Dictionary. Retrieved Oct 11, 2026, from https://wordmom.com/dictionary/ascidian