eugeosyncline
noun
eu·geo·syn·cline (ˌ)yü-ˌjē-ō-ˈsin-ˌklīn 
: a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments
eugeosynclinal
(ˌ)yü-ˌjē-ō-(ˌ)sin-ˈklī-nᵊl
adjective 
Word History
First Known Use
1942, in the meaning defined above
- de clau
- de clauso fracto
- de die in diem
- de do nor
- de dolo
- de et im
- de ex
- de excommunicato capiendo
- de facto
- de fide
- de Gaulle
- de Gaullism
- de gaullist
- De Gennes
- de gratia
- de gus
- de gustibus
- de gustibus non est disputandum
- de haut en bas
- de her
- de in
- de inofficioso testamento
- de integro
- de jure
- De Kalb