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English definition of “layer”

layer

noun [C] uk   /ˈleɪ.ər/ us    //

layer noun [C] (MATERIAL)

B2 a level of material, such as a type of rock or gas, that is different from the material above or below it, or a thin sheet of a substance: the ozone layer A thick layer of clay lies over the sandstone. There was a thin layer of oil on the surface of the water. We stripped several layers of paint off the door.

layer noun [C] (PEOPLE)

the group of people at a particular level in an organization: We've cut the number of management layers from five to three.

layer

verb [T] uk   /ˈleɪ.ər/ us    //
to arrange something in layers: Layer the pasta with slices of tomato. potatoes layered with onions
layered
adjective uk   /-əd/ us    /-ɚd/
(Definition of layer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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