vesicle

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a small anatomically normal sac or bladderlike structure (especially one containing fluid)

From Middle French vesicule, from Latin vēsīcula. By surface analysis, vesic- + -le. Doublet of vesicule.

Small though these vesicles were when ejected from the volcano, they would become still smaller by bursting when they suddenly reached a much lower pressure of atmosphere at a great height. — Blown to Bits; or, The Lonely Man of Rakata, R. M. (Robert Michael) Ballantyne

cyst

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