Term: oil shale: shale from which oil can be obtained by heating
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: fartlek: a method of athletic training (especially for runners) in which strenuous effort and normal effort alternate in a continuous exercise
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: paradise tree: medium to large tree of tropical North and South America having odd-pinnate leaves and long panicles of small pale yellow flowers followed by scarlet fruits
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: finnan haddie: haddock usually baked but sometimes broiled with lots of butter
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: shambles: a condition of great disorder
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: philadelphia fleabane: especially pretty plant having a delicate fringe of threadlike rays around flower heads having very slender white or pink rays; United States and Canada
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: mazer: a large hardwood drinking bowl
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: landlocked salmon: Atlantic salmon confined to lakes of New England and southeastern Canada
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: lacertidae: Old World lizards
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: dieffenbachia: evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants
Broader: shale: a sedimentary rock formed by the deposition of successive layers of clay | Unrelated: vacation: the act of making something legally void