compute + -er

computer is on the Academic Word List.
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Word parts change

Pronunciation change

Noun change

Singular
computer

Plural
computers

 
A computer
  1. (countable) A computer is a machine that helps you store, organize, and use information.
    If you're looking at a web page, you must be using a computer.
  2. (countable) (old, no longer used) A computer is a person whose job is doing computations.

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