Definition of miogeoclinal in English:

miogeoclinal

Pronunciation /ˌmʌɪə(ʊ)ˌdʒiːə(ʊ)ˈklʌɪnl/

adjective

Geology

Origin

1970s; earliest use found in Nature: a weekly journal of science. From miogeocline + -al, after miogeosynclinal.