Learn how to say Geostrophic correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word geostrophic:
Meteorology & Oceanography
relating to or denoting the component of a wind or current that arises from a balance between pressure gradients and coriolis forces.
early 20th century: from geo- ‘of the earth’ + Greek strophē ‘a turning’ (from strephein ‘to turn’)