a fine-grained metamorphic rock that is consisting of compressed clay, shale, etc and easily split into thin layers
a piece of such rock used as roofing material
a tablet of slate or similar material used for writing on, esp in former times
a dark bluish grey or greenish grey colour
a list of candidates for nomination or election
on the slate
Brit on credit
slate adj
slaty adj
[Middle English from Old French esclat: see slat]