What is Prestandard?

Prestandard definition and meaning on Dictionary terms:
something considered by an authority or by general consent as a basis of comparison; an approved model.
an object that is regarded as the usual or most common size or form of its kind: We stock the deluxe models as well as the standards.
a rule or principle that is used as a basis for judgment: They tried to establish standards for a new philosophical approach.
an average or normal requirement, quality, quantity, level, grade, etc.: His work this week hasn’t been up to his usual standard.

standards, those morals, ethics, habits, etc., established by authority, custom, or an individual as acceptable: He tried to live up to his father’s standards.
a grade of beef immediately below good.
the authorized exemplar of a unit of weight or measure.
a certain commodity in or by which a basic monetary unit is stated.Compare gold standard, silver standard, bimetallism, monometallism.
the legally established content of full-weight coins.
the prescribed degree of fineness for gold or silver.
British. a class or grade in elementary schools.
a musical piece of sufficiently enduring popularity to be made part of a permanent repertoire, especially a popular song.
a flag indicating the presence of a sovereign or public official.
a flag, emblematic figure, or other object raised on a pole to indicate the rallying point of an army, fleet, etc.
Military. any of various military or naval flags. the colors of a mounted unit.(initial capital letter) a U.S. Navy radar-guided surface-to-air missile with a range of 10