noun
[ sing. ] something that is in the public domain is available for everyone to use or to discuss and is not secret :
The information has been placed in the public domain.
public domain software
noun
[ sing. ] something that is in the public domain is available for everyone to use or to discuss and is not secret :
The information has been placed in the public domain.
public domain software
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005