A concentration is like a major â it allows you to specialize in an area of your choice. All Wharton students graduate with a bachelor of science in economics, but students choose focused areas of study called concentrations. 21+ Wharton concentrations, including an individualized option.
POTUS is the acronym for President of the United States. It is only used for the sitting President, so now refers to Pres. Trump. Probably used within the White House and Security Service for decades, it was explained and popularized on the show The West Wing. Note: This question initially asked why Pres.
Noun. 1. arcus senilis-a whitish deposit in the shape of an arc that is sometimes seen in the cornea. arcus. cornea-the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera.oun. 1. arcus senilis-a whitish deposit in the shape of an arc that is sometimes seen in the cornea. arcus. cornea-the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera.