geostrophic
adjective
geo·stroph·ic ˌjē-ə-ˈsträ-fik 
: of, relating to, or arising from the Coriolis force
geostrophically
ˌjē-ə-ˈsträ-fi-k(ə-)lē
adverb 
Word History
Etymology
ge- + Greek strophikos turned, from strophē turning — more at strophe
First Known Use
1916, in the meaning defined above