(~s)
1.
Flint is a very hard greyish-black stone that was used in former times for making tools.
...a ~ arrowhead.
...eyes the colour of ~.
N-UNCOUNT
2.
A ~ is a small piece of ~ which can be struck with a piece of steel to produce sparks.
N-COUNT
(~s)
1.
Flint is a very hard greyish-black stone that was used in former times for making tools.
...a ~ arrowhead.
...eyes the colour of ~.
N-UNCOUNT
2.
A ~ is a small piece of ~ which can be struck with a piece of steel to produce sparks.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012