Extension

пристро́йка

pristrójka

(part of a building that has been added to the original)

продле́ние

prodlénije

(act of extending or the state of being extended)

разгиба́ние

razgibánije

(weightlifting: an exercise)

расшире́ние

rasširénije

(act of extending or the state of being extended)

расшире́ние

rasširénije

(computing: file extension)