Meaning of “layer” in the English Dictionary

"layer" in English

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layernoun [ C ]

uk /ˈleɪ.ər/ us /ˈleɪ.ɚ/

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.

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layerverb [ T ]

uk /ˈleɪ.ər/ us /ˈleɪ.ɚ/

to arrange something in layers:

Layer the pasta with slices of tomato.
potatoes layered with onions

to cut hair so that some top parts of the hair are shorter than the hair underneath, to give it a particular style or shape:

Can you layer it a little at the front, please?
layered
adjective uk /ˈleɪ.əd/ us /ˈleɪ.ɚd/

Her hair is long and fluffily layered.

(Definition of “layer” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"layer" in American English

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layernoun [ C ]

us /ˈleɪ·ər/

a thin sheet of a substance on top of a surface, or a level of material that is different from the material on either side:

We put on two layers of paint.
The road was built up with layers of crushed stone and asphalt.
layered
adjective /ˈleɪ·ərd/

Her hair is long and fluffily layered.

layerverb [ T ]

/ˈleɪ·ər/

to arrange something in layers:

Layer the pasta with slices of tomato.

(Definition of “layer” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"layer" in Business English

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layernoun [ C ]

uk /leɪər/ us

HR the group of employees or managers at a particular level of responsibility in an organization:

layer of bureaucracy/management She argued that a joint governing board was a needless layer of bureaucracy.
We've cut the number of management layers from five to three.

a thin sheet of a substance on top of a surface, or a level of material that is different from the material on either side:

layer of paint/soil/plastic, etc. The case was made of layers of plastic, paint, and titanium.
a protective/waterproof/insulating layer

one of several related ways of thinking or doing something:

a layer of complexity/meaning

See also

(Definition of “layer” from the Cambridge Business English Dictionary © Cambridge University Press)