(Geology) A circular depression on the flank of a volcano, caused by the collapse of a volcanic wall.
A sagging area; a depression.
A natural hollow or depression in the body or an organ.
A hollow or depression.
A vague notion, remembrance, or belief:
A notch, pit, or depression.
A reduction in physiological vigor or activity:
A saucer-shaped surface depression produced when underlying material, such as limestone or salt, dissolves or when caves, mines, etc. collapse
The definition of a shallow container which will hold liquids such as water, or a shallow, bowl-shapped depression on land filled with water, or when rock layers all tilt away from a center area.
An opening or perforation:
Find another word for concavities. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for concavities, like: sinks, sags, pits, hollows, dips, impressions, indentations, depressions, sinkholes, basins and holes.