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specifications

n.
US //ˌspɛsəfəˈkeɪʃənz// UK //spˌɛsɪfɪkˈeɪʃənz// spec·i·fi·ca·tions
  1. 1 technical requirements (n.)
    B2 Upper Intermediate Technical Engineering

    a detailed list of instructions or rules that explain exactly how something must be made or how it should work.

    a set of documented requirements that provide an exact description of an object, material, or process. Usually plural in this sense.

    Example

    The new laptop meets all the technical specifications we need for video editing.

    Example

    The contractor failed to adhere to the original architectural specifications, resulting in significant structural delays during the final phase of construction.

    Usage

    Often shortened to 'specs' in informal professional contexts.

    Teacher's tip

    While 'specification' can be singular when referring to one specific detail, the plural 'specifications' is the standard way to refer to the complete document or set of rules.

Last updated June 20, 2026