noun [ U ]
1.
a yellow mineral found in rock, which looks like gold but is not valuable, also called iron pyrites
2.
something that you think is valuable or will earn you a lot of money, but which has no chance of succeeding
noun [ U ]
1.
a yellow mineral found in rock, which looks like gold but is not valuable, also called iron pyrites
2.
something that you think is valuable or will earn you a lot of money, but which has no chance of succeeding
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005