Est-ce que is the inversion of c'est que, literally, it is that.. That's why a hyphen is required between est and ce: c'est = ce + est which are inverted to est-ce. For the variations qu'est-ce qui and qui est-ce qui, see my lesson on interrogative pronouns. More. Asking questions in French. French interrogatives. Expressions with Ãªtre. Most common French phrases. Article.
This page is about the meanings of the acronym/abbreviation/shorthand IUP in the field in general and in the Medical terminology in particular. intrauterine pregnancy.
IUPAC is best known for its works standardizing nomenclature in chemistry and other fields of science, but IUPAC has publications in many fields including chemistry, biology and physics.