( n. )
A violent and widely extended change in the surface of the earth, as, an elevation or subsidence of some part of it, effected by internal causes.
( n. )
A violent and widely extended change in the surface of the earth, as, an elevation or subsidence of some part of it, effected by internal causes.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012