H4Y4P3E1R1S1O1N1I1C3S1
21 points
HYPERSONICS is no goodvalid
Not a playable Scrabble word in NWL2023.
the study of aircraft behaviour at speeds above Mach 5 [n]
Not a playable Scrabble word in NWL2023.
the study of aircraft behaviour at speeds above Mach 5 [n]