definition
A fine-grained homogeneous sedimentary rock composed of clay or volcanic ash which has been metamorphosed so that it cleaves easily into thin layers.
definition
The bluish-grey colour of most slate.
definition
A chalkboard, sheet of slate for writing on with chalk or with a thin rod of slate (a slate pencil) formerly commonly used by both students and teachers in schools
definition
A roofing-tile made of slate.
definition
A record of money owed.
example
Put it on my slate – I’ll pay you next week.
definition
A list of affiliated candidates for an election.
example
Roy Disney led the alternative slate of directors for the stockholder vote.
definition
An artificial material resembling slate and used for the same purposes.
definition
A thin plate of any material; a flake.