layer is on the Academic Word List.

Pronunciation

change

Singular
layer

Plural
layers

  1. (countable) A layer is a covering material or substance.
    When we got up in the morning, everything was covered by a thin layer of snow.
    The cream forms a germ-fighting layer over the skin.
    How many layers of clothing do you have to wear in the winter?
  2. (countable) A layer is a level in an organisation.
    The company is trying to reduce the number of management layers.
  3. (countable) A layer is a person who lays something, (e.g., carpet, bricks, etc.).
  4. (countable) A layer is a chicken kept to lay eggs.
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Plain form
layer

Third-person singular
layers

Past tense
layered

Past participle
layered

Present participle
layering

  1. If you layer something, you make layers.
    Layer the pasta in an ovenproof dish with the tomatoes, bacon and peas, seasoning each layer.