astrogation
/ˌæstrə'ɡeiʃən/
n. 
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alatate, Ala-Tau, alate, alated, Alathon, alatomy, alatus, Alaudidae, alaum, alaumstem,
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Astrocytus, astrodome, astrodynamics, astrofibroblastoma, astrogate, astrogation, astrogator, astrogeodesy, astrogeodynamics, astrogeography,