Definition of ageostrophic in English:

ageostrophic

adjective

Meteorology
  • Not geostrophic; specifically designating the wind component which when added to a geostrophic wind gives the actual wind.

Origin

1940s. From a- + geostrophic.

Pronunciation:

ageostrophic

/ˌeɪdʒiːəˈstrɒfɪk//ˌeɪdʒiːəˈstrəʊfɪk/