vesicle
vesicle
(ˈvɛsɪkəl) orvesicula
(vɛˈsɪkjʊlə) noun
1 pathology
a any small sac or cavity, esp one containing serous fluid
b a blister
2 geology a rounded cavity within a rock formed during solidification by expansion of the gases present in the magma
3 botany a small bladder-like cavity occurring in certain seaweeds and aquatic plants
4 any small cavity or cell
[C16: from Latin vēsīcula, diminutive of vesica]
> vesicular (vɛˈsɪkjʊlə)
adjective
> veˈsicularly adverb