[whin.stone] n [whin, a hard rock] (1513): basaltic rock: trap; also: any of various other dark resistant rocks (as chert)
WHINSTONE
Meaning of WHINSTONE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012
[whin.stone] n [whin, a hard rock] (1513): basaltic rock: trap; also: any of various other dark resistant rocks (as chert)
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012