Definition of specification in English:


Line breaks: spe¦ci¦fi|ca¦tion
Pronunciation: /ˌspɛsɪfɪˈkeɪʃ(ə)n


  • 2 (usually specifications) A detailed description of the design and materials used to make something: one of the telescope’s mirrors had been manufactured to incorrect specifications
    More example sentences
    • She shuffles between appointments and fittings with designers and vendors to determine fabrics and detail garment specifications for new designs.
    • A plan, which includes material costs, specifications and design entails, will be prepared.
    • Ask your dealer to give you detailed material specifications on the products they are proposing.
  • 2.1A standard of workmanship or materials required to be met in a piece of work: everything was built to a higher specification
    More example sentences
    • None of these systems were able to meet the scale and specifications required by federal policy.
    • Check the product label to make sure the material meets specifications of the federal government.
    • This model didn't meet specifications.
  • 2.2A description of an invention accompanying an application for a patent.
    More example sentences
    • The inventions disclosed in difference specifications can be different in kind.
    • I was addressed by both parties on the principles of law to be adopted in construing patent specifications.
    • Although the specification describes an invention of a working combination, it is not the invention claimed.


late 16th century: from medieval Latin specificatio(n-), from late Latin specificare (see specify).

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