Main Entry: con·cen·tra·tion

Pronunciation: \ˌkän(t)-sən-ˈtrā-shən, -ˌsen-\

Function: noun

Date: 1634

1 a : the act or process of concentrating : the state of being concentrated; especially : direction of attention to a single object b : an academic major or area of focus within a major
2 : a concentrated mass or thing
3 : the amount of a component in a given area or volume