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New American Oxford Dictionary

astrogation

as tro ga tion |ˌastrəˈgāSHən ˌæstroʊˈɡeɪʃən | ▶noun (in science fiction ) navigation in outer space. DERIVATIVES as tro ga tor |ˈastrəˌgātər |noun ORIGIN 1930s: blend of astro- and navigation .

 

Oxford Dictionary

astrogation

astrogation |ˌastrə (ʊ )ˈgeɪʃ (ə )n | ▶noun [ mass noun ] (in science fiction ) navigation in outer space. DERIVATIVES astrogator noun ORIGIN 1930s: blend of astro- and navigation .