1. (n.)slate a fine-grained rock formed by the metamorphosis of clay, shale, etc., that tends to split along parallelcleavage planes, usu. at an angle to the planes of stratification.
2. slate a thin piece or plate of this rock or a similar material, used esp. for roofing or as a writing surface.
3. slate a dull, dark bluish gray.
4. slate a list of candidates, officers, etc., to be considered for nomination, appointment, or election.
5. (v.t.)slate to cover with or as if with slate.
6. slate to write or set down for nomination or appointment.
7. slate to plan or designate (something) for a particular place and time; schedule.
Definition of 'slate'
Princeton's WordNet
1. (noun)slate (formerly) a writing tablet made of slate
2. (noun)slate, slating thin layers of rock used for roofing
3. (noun)slate a fine-grained metamorphic rock that can be split into thin layers
4. (verb)slate, ticket a list of candidates nominated by a political party to run for election to public offices
5. (verb)slate designate or schedule "He slated his talk for 9 AM"; "She was slated to be his successor"
6. (verb)slate enter on a list or slate for an election "He was slated for borough president"
7. (verb)slate cover with slate "slate the roof"
Definition of 'slate'
Webster Dictionary
1. (verb)slate an argillaceous rock which readily splits into thin plates; argillite; argillaceous schist
2. (verb)slate any rock or stone having a slaty structure
3. (verb)slate a prepared piece of such stone
4. (verb)slate a thin, flat piece, for roofing or covering houses, etc
5. (verb)slate a tablet for writing upon
6. (verb)slate an artificial material, resembling slate, and used for the above purposes
7. (verb)slate a thin plate of any material; a flake
8. (verb)slate a list of candidates, prepared for nomination or for election; a list of candidates, or a programme of action, devised beforehand
9. (verb)slate to cover with slate, or with a substance resembling slate; as, to slate a roof; to slate a globe
10. (verb)slate to register (as on a slate and subject to revision), for an appointment
11. (verb)slate to set a dog upon; to bait; to slat. See 2d Slat, 3
Definitions of slate 
Afrikaans: leiklip
Arabic: صَخْر الأرْدِواز
Bulgarian: плоча за покрив
Brazilian: lousa
Czech: (z) břidlice
German: die Schieferplatte, Schie
Danish: skifer; skifer-
Greek: σχιστόλιθος, πέτρινη πλάκ
Spanish: pizarra
Estonian: kiltkivi, kiltkivist
Farsi: پوشش شيرواني بام
Finnish: kattolaatta, savikivi
French: (d')ardoise
Hebrew: צִפחָה
Hindi: स्लेट पत्थर
Croatian: škriljevac, brusilovac
Hungarian: pala
Indonesian: kepingan batu
Icelandic: þakskífa (flöguberg)
Italian: ardesia; di ardesia*
Japanese: 粘板岩(の)
Korean: 슬레이트
Lithuanian: skalūnas
Latvian: šīferis; šīfera-
Malay: kepingan batu
Dutch: lei
Norwegian: skifer
Polish: łupek, dachówka łupkowa
Persian: پوشش شيرواني بام
Pashto: سيلټ، سليټې دړه: (په امري
Portuguese: lousa
Russian: сланец; шифер
Slovak: bridlica; bridlicový
Slovenian: skril(avec)
Serbian: pločice
Swedish: skiffer[platta], takskiff
Thai: หินชนวน
Turkish: kayağan taşı
Taiwanese: 板岩，石板瓦， (建築用的)石板
Ukrainian: сланець
Urdu: سلیٹ، سنگ لوح
Vietnamese: đá phiến, đá acđoa
Chinese: 板岩，石板，石板瓦
