say it: KWAWR-til
quartile is a noun meaning "(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores". It is pronounced /ˈkwɔɹtɪl/ — KWAWR-til. It carries one recorded sense.
(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores
statistics
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for quartile come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.