astronautics

Từ điển Oxford Learners Wordfinder Dictionary

noun

the theory and practice of navigation through air or space
• Syn:
aeronautics
• Derivationally related forms:
aeronautic (for: aeronautics), aeronautical (for: aeronautics)
• Members of this Topic:
rigid, semirigid, nonrigid, load factor, dynamic balance, astrogate
• Hypernyms:
physics, natural philosophy
• Hyponyms:
avionics