(~s)
The ~ of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
...a tube less than a fifth of the ~ of a human hair.
N-COUNT: also in N
(~s)
The ~ of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
...a tube less than a fifth of the ~ of a human hair.
N-COUNT: also in N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012