Exeat
A furlough (vacation or leave of absence granted to an enlisted person) is called 'une permission' in French. To be on such a leave would be "être en permission, partir en permission".
The absence of sound is called silence.Quiet or quietness is also the absence of sound.
A noncitizen residing in a country is typically referred to as a "resident alien" or "permanent resident" if they have legal permission to live there indefinitely. If their stay is temporary, they may be called a "temporary resident" or "visa holder." The specific terminology can vary based on immigration laws and the individual's status.
boarding
I don't think there is anything called week boarding you might be mistaken by wakeboarding.
the absence of air is "vacuum"
dorms
The absence of snow is called "snow-free" or "snowless."
Asepsis means the absence of pathogens
NO they were never called that.
Roald Dahl attended Repton School in Derbyshire, England for his boarding school education.
The JetBlue boarding process typically involves passengers boarding in groups based on their seat assignments, starting with those in premium seats and then moving to those in regular seats. Passengers are called to board by group number, which is printed on their boarding pass. Once called, passengers line up and scan their boarding pass to enter the aircraft.