Petroleum jelly is a soft, clear substance obtained from oil or petroleum. It is put on the skin to protect or soften it, or put on surfaces to make them move against each other easily.
N-UNCOUNT
Petroleum jelly is a soft, clear substance obtained from oil or petroleum. It is put on the skin to protect or soften it, or put on surfaces to make them move against each other easily.
N-UNCOUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006