A region drained by a single river system:
The quality or condition of being concave
(Bot.) A tiny depression in a plant cell wall
A geographic area, such as a sinkhole or basin, that is lower than its surroundings.
A slight hollow
A landscape that is characterized by numerous caves, sinkholes, fissures, and underground streams. Karst topography usually forms in regions of plentiful rainfall where bedrock consists of carbonate-rich rock, such as limestone, gypsum, or dolomite, that is easily dissolved. Surface streams are usually absent from karst topography.
A cavity, gap, or space:
Curving outward, like the outer boundary of a circle or sphere.
Find another word for sinkhole. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for sinkhole, like: basin, concavity, pit, depression, dip, sag, karst topography, sink, swallow-hole, doline and shakeholes.