ALL meanings of pre-concentration
con·cen·tra·tion
P p - noun pre-concentration the act of concentrating; the state of being concentrated. 1
- noun pre-concentration exclusive attention to one object; close mental application. 1
- noun pre-concentration something concentrated: a concentration of stars. 1
- noun pre-concentration Military. the assembling of military or naval forces in a particular area in preparation for further operations. a specified intensity and duration of artillery fire placed on a small area. 1
- noun pre-concentration the focusing of a student's academic program on advanced study in a specific subject or field. 1
- noun pre-concentration Chemistry. (in a solution) a measure of the amount of dissolved substance contained per unit of volume. 1
- noun pre-concentration Also called memory. Cards. a game in which all 52 cards are spread out face down on the table and each player in turn exposes two cards at a time and replaces them face down if they do not constitute a pair, the object being to take the most pairs by remembering the location of the cards previously exposed. 1