By Anne Marie Helmenstine, Ph.D. Primary Standard Definition: A primary standard is a reagent which is very pure, representative of the number of moles the substance contains and easily weighed. Primary standards are typically used in titrations and other analysis techniques as standardization solutions.rimary Standard Definition: A primary standard is a reagent which is very pure, representative of the number of moles the substance contains and easily weighed.
fallo m (plural fallos) failure; verdict, decision; ruling; Verb . fallo. First-person singular present indicative form of fallar.
Definition of momo. an unintelligent person; moron. Dates to the mid-1950s. The Random House Historical Dictionary of American Slang suggests it may be from a reduplication of the first syllable in moron or it may be from the dialectical Italian mammoccio meaning stupid rascal. Recently used as the name of a character in the film Get Shorty.What a momo!