Answer: concentration

AnswerCrossword Clue
CONCENTRATIONLong-popular game show
CONCENTRATIONPuzzle-solving asset
CONCENTRATION"Classic" TV game
CONCENTRATIONLong-running TV show featuring match-makers
concentrationThe action of gathering together closely
concentrationThe action or power of focusing one's attention or mental effort
concentrationDealing with one particular thing above all others
concentrationthe act of concentrating
concentrationA close gathering of people or things
concentrationThe relative amount of a given substance contained within a solution or in a particular volume of space; the amount of solute per unit volume of solution
concentrationThe action of strengthening a solution by the removal of water or other diluting agent or by the selective accumulation of atoms or molecules