eugeosyncline
English
editEtymology
editeu- + geosyncline; first known use: 1942.
Noun
editeugeosyncline (plural eugeosynclines)
- (geology) A narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments.
eu- + geosyncline; first known use: 1942.
eugeosyncline (plural eugeosynclines)