Definitions

1. noun

One of the nine equal parts into which a circle or an area is divided by two intersecting chords or lines.

“The city was divided into five quintiles, with each one representing a different socioeconomic group.”

2. noun

A division of a statistical distribution into five equal parts, often used in the calculation of the Gini coefficient.

“The researcher used the Gini coefficient to calculate the income quintile of the population.”

3. noun

A fifth part or one of five equal parts.

“The company divided its profits into five quintiles to distribute among its employees.”