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Noun: shale  sheyl
  1. A sedimentary rock formed by the deposition of successive layers of clay

Derived forms: shales

Type of: sedimentary rock

Encyclopedia: Shale

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shakily
shakiness
shaking
shaking palsy
shako
Shakspere
Shakti
Shaktism
Shaktist
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shale
shale oil
shaley
shall
shall-flower
shallon
shalloon
shallop
shallot
shallow
shallow fording