Replacement astronaut Synonyms

We can't find synonyms for the phrase "Replacement astronaut", but we have synonyms for terms, you can combine them.

RA abbreviation

RA is an abbreviation for Replacement Astronaut
What does RA stand for?
RA stands for "Replacement Astronaut"

Definitions for Replacement


  • (noun) a person or thing that takes the place of another
  • (noun) the act of furnishing an equivalent person or thing in the place of another
  • (noun) an event in which one thing is substituted for another

Definitions for Astronaut