Originally, standard referred to the blatant object utilized as a rallying point inside battle. A term is probably from either Frankish *standhart "steadfast" (literally, "stand hard"). In the High Middle Ages, the standard was the tapering flag or ensign flown by lower ranking knights, when opposed to the square banners flown by knights banneret;

the modern primary meaning evolved across symbolism: "a quality or measure which is established by authority, custom, or general consent". In the sentence "light standard" it retains the older meaning of a vertical trend lines.

Within technical indicator even apply, the standard occurs as concrete lesson of an item or the specification against which completely others can be measured. Therein meaning, a word related to Old French estendre "extend", & is attested in the pregnant "unit of measure" around Anglo-French from 1327. For instance, there are "primary standards" for length, mass (see Kilogram standard), and more units of measure, saved by laboratories and standards organizations. Officially qualified with measurements of instruments must become checked for even accuracy applying such standards (or secondary standards manufactured from either a primary). View examples within chemistry following. More technical indicator even standards define the placed of properties that the product or service should keep close at hand. There are "voluntary" standards to which a producers adhere voluntarily. Such standards come placed down by an organization gathering representatives of producers & users of the nature and severity of product or even service. There are besides "mandatory" or "regulatory" standards by owning which products & services develop to comply by Law i personally.e. imposed by the regulator, their genesis is all the same similar to the voluntary ones. The "de facto" standard like occurs as placed of properties of an great member of the product category, which the user community takes while forgoing that it use at times been placed down formally by a producer/user organization.

Inside analytical chemistry a standard is the preparation containing the known concentration of a specified substance. The elementary standard can be the diluted guide of the substance; this serves as the information to calibrate devices utilized to measure a sample's composition inside terms of compounds or elements. For accuracy, very samples come bracketed by known standards, that is, standards come analyzed that contain concentrations of the analyte that are to a lesser degree & greater than the really sample's concentration.

There are too certified reference materials available which contain independently verified concentrations of elements available in different matrices (the matrix is bulk lesson of the sample, for instance blood).

A select few of the succesors to the Standard Oil Trust formerly utilized Standard as a trade name. These involved Amoco in the Midwest United States before their merger with BP, Chevron, Exxon, and Sohio.

A Standard Motor Company made cars in England from either 1903 to 1963.

A Standard nature and severity battlewagon was the series of US Navy battleships with relatively homogeneous treating characteristics including the Xxi knot flank speed & the 700 front yard tactical across at flank speed. There were 5 classes in the Standard program, + the sixth which was canceled: Nevada class, Pennsylvania class, New Mexico class, Tennessee class (called in contemporary European publications the California class, as USS California (BB-44) was commissioned first) and Colorado class (called in contemporary European publications the Maryland class for the same reasons as above). A class which was canceled & broken higher was a BB-49 South Dakota class.

Around linguistics, a standard potty refer to either the written standard, an endorsed "proper" way of spelling words or even of constructing sentences, or to the spoken standard or even pronunciation standard: an endorsed way of pronouncing the words of a language. Around English, which has no legal or even international standards, for example, "The Queen's English" is widely regarded (especially outside a United States) as a "proper" pronuciation. Unofficial spelling standards for English too survive inside various countries, especially in which a language is dominant. For instance, a "American standard" spelling for "harbor" & "defense" is at odds by owning a "standard" spellings of virtually all more Anglophone countries, in which these words come spelled "harbour" & "defence". For more languages, like French or Spanish, there exist centralised authorities which determine a "proper" pronunciation & spelling of both & each word in the "standard" language (look at List of language regulators).