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.
6. puto. The masculine form of the Spanish / Portuguese word puta (whore/slut/bitch). Puto can apply to gay males in some places or simply to any male who is sexually loose (some males are sexually loose, some aren't; sexuality has little to do with it).