The Collaborative DictionaryWhinstone \Whin"stone"\, n.
[Whin + stone; cf. Scot. quhynstane.] A provincial name given in
England to basaltic rocks, and applied by miners to other kind of
dark-colored unstratified rocks which resist the point of the pick.
-- for example, to masses of chert. Whin-dikes, and whin-sills, are
names sometimes given to veins or beds of basalt. [1913
whinstone n : any of various hard colored rocks
(especially rocks consisting of chert or basalt) [syn: whin
Whinstone is a term used in the quarrying
industry to describe
any hard dark-coloured rock
Examples include the igneous
as well as the