- Astrol. the aspect of two celestial bodies 72°, or one fifth of a circle, apart
- any of the values in a series dividing the distribution of the individuals in the series into five groups of equal frequency
- any of these groups
Origin of quintile; from Classical Latin quintus, a fifth (see quintet) + -ile
- The astrological aspect of planets distant from each other by 72° or one fifth of the zodiac.
- Statistics The portion of a frequency distribution containing one fifth of the total sample.
Origin of quintileLatin qu&imacron;ntus, fifth; see penkwe in Indo-European roots + -ile (as in quartile).