vesicles definition geology
Geology. a small, usually spherical cavity in a rock or mineral, formed by expansion of a gas or vapor before the enclosing body solidified. Origin of vesicle.
LINK / CITE ADD TO WORD LIST. noun. The definition of geology is the science that deals with nature and Earth history. 1  An example of geology is the study of rocks and stones. 2  An example of geology is learning about how the Earth was formed.INK / CITE ADD TO WORD LIST. noun. The definition of geology is the science that deals with nature and Earth history. 1  An example of geology is the study of rocks and stones. 2  An example of geology is learning about how the Earth was formed.