noun, verb, slat⋅ed, slat⋅ing.| 1. | a fine-grained rock formed by the metamorphosis of clay, shale, etc., that tends to split along parallel cleavage planes, usually at an angle to the planes of stratification. |
| 2. | a thin piece or plate of this rock or a similar material, used esp. for roofing or as a writing surface. |
| 3. | a dull, dark bluish gray. |
| 4. | a list of candidates, officers, etc., to be considered for nomination, appointment, election, or the like. |
| 5. | to cover with or as with slate. |
| 6. | to write or set down for nomination or appointment: the district leader slated for city judge. |
| 7. | to plan or designate (something) for a particular place and time; schedule: The premiere was slated for January. |
| 8. | to censure or criticize harshly or violently; scold. |
| 9. | to punish severely. |
| 10. | clean slate, an unsullied record; a record marked by creditable conduct: to start over with a clean slate. |
| slate (slāt) Pronunciation Key
A fine-grained metamorphic rock that forms when shale undergoes metamorphosis. Slate splits into thin layers with smooth surfaces. It ranges in color from gray to black or from red to green, depending on the minerals contained in the shale from which it formed. |