layer noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com

Definition of layer noun from the Oxford Advanced Learner's Dictionary

layer

noun
 
/ˈleɪə(r)/,
 
/leə(r)/
 
/ˈleɪər/
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  1. a quantity or sheet of something that lies over a surface or between surfaces
    • layer (of something) A thin layer of dust covered everything.
    • Ducks have a thick layer of fat to keep them warm.
    • How many layers of clothing are you wearing?
    • Sunlight thickens the outer layer of the skin.
    • in layers The paint is applied in layers.
    Extra Examples
    • Beneath the surface layer of the skin are several further layers.
    • Everything was covered with a fine layer of dust.
    • He paints a base coat, allows it to dry, and then adds layers of paint.
    • Mulch with a generous layer of peat or compost.
    • The body had been covered with a thin layer of soil.
    • The building is constructed in layers.
    • The product is made from a single layer of plastic.
    • The recipe calls for alternating layers of meat sauce and pasta.
    • The remains lay buried under layer upon layer of black earth.
    • They put on thick hats and extra layers of clothing.
    • Use enough gravel to form a layer about 50mm thick.
    • We're flying just below a cloud layer at 33 000 feet.
    • a protective layer of black plastic
    • the upper layers of the earth's atmosphere
    • Brush each layer of filo pastry with melted butter.
    • The channel became silted up with layer upon layer of sludge.
    • The dessert is chocolate mousse between layers of coffee and chocolate sponge.
    • This provides the waterproof top layer of the roof.
    Oxford Collocations Dictionaryadjective
    • fine
    • thin
    • deep
    verb + layer
    • form
    • add
    • apply
    layer + noun
    • cake
    preposition
    • beneath a/​the layer
    • under a/​the layer
    • in layers
    phrases
    • layer after layer
    • layer upon layer
    See full entry
  2. layer (of something) a level or part within a system or set of ideas
    • There were too many layers of management in the company.
    • the layers of meaning in the poem
    • You've got to fight your way through layer upon layer of bureaucracy.
    • It was claimed that the reforms would add layers to the EU's political structure.
    Extra Examples
    • I decided to peel back the layers of this story.
    • a layer of bureaucracy
    • multiple layers of meaning
  3. Word OriginMiddle English (denoting a mason): from lay (verb) + -er. The sense ‘stratum of material covering a surface’ (early 17th cent.) may represent a different spelling of an obsolete agricultural use of lair denoting quality of soil.
See layer in the Oxford Advanced American DictionarySee layer in the Oxford Learner's Dictionary of Academic English
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