D defs.my
Entry 4 senses Webster, 1913

specification

/(spĕs`ĭ*fĭ*kā"shŭn)/ · spec·i·fi·ca·tion · IPA /spˌɛsɪfɪkˈeɪʃən/
01 n. The act of specifying or determining by a mark or limit; notation of limits.
  1. 1.
    The act of specifying or determining by a mark or limit; notation of limits.
    “This specification or limitation of the question hinders the disputers from wandering away from the precise point of inquiry.” I. Watts.
  2. 2.
    The designation of particulars; particular mention; as, the specification of a charge against an officer.
  3. 3.
    A written statement containing a minute description or enumeration of particulars, as of charges against a public officer, the terms of a contract, the description of an invention, as in a patent; also, a single article, item, or particular, an allegation of a specific act, as in a charge of official misconduct.
  4. 4.
    A detailed listing or description of the required properties of some object proposed to be built or bought; -- usually used in the plural; as, the building specifications require that it withstand an earthquake of magnitude 8; the program specifications require an option to change the menus.