USAN abbr.
- United States Adopted Names (used for nonproprietary names of drugs adopted by a committee of medical professionals and drug manufacturers)
Examples from the Web for usan Historical Examples of usan
If wild things were not meant for the wilds, the god, Usan, would not have placed them there.
James Arthur Kjelgaard
En estas, y semejantes impersonales, usan los Indios de esta lengua: Aragne nuc me; Arastap nuc me.
Father Felipe Arroyo de la Cuesta