Definition of specification in English:


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


1An act of identifying something precisely or of stating a precise requirement: give a full specification of the job advertised [mass noun]: there was no clear specification of objectives
More example sentences
  • It sought coherence through the specification of clear objectives.
  • The Charter was the first attempt to give the public a clear specification of what it could expect.
  • There is no formal requirement for them to agree with the other Community institutions on the specification of price stability.
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).

Definition of specification in: