1.
if sth is at a premium , there is little of it available and it is difficult to get :
Space is at a premium in a one-bedroomed apartment.
2.
at a higher than normal price :
Shares are selling at a premium.
1.
if sth is at a premium , there is little of it available and it is difficult to get :
Space is at a premium in a one-bedroomed apartment.
2.
at a higher than normal price :
Shares are selling at a premium.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005