space walk

CIDE DICTIONARY

space walk, n. 

 any activity by a human outside of the protective environment of a spacecraft while it is in outer space, requiring a space suit to protect the person from the vacuum and other hazards of space.  [PJC]

THESAURUS

space walk

aerospace medicine, aerospace research, aerospace science, aerospace technology, astronautics, bioastronautics, break free, escape earth, escape velocity, go into orbit, grand tour, interplanetary travel, navigate in space, orbit the earth, park in space, rocketry, science fiction, shoot into space, space flight, space medicine, space travel, step flight, trip to Mars