say it: reg-yuh-LER-uh-tee
regularity is a noun meaning "a property of polygons: the property of having equal sides and equal angles". It carries 2 recorded senses.
a property of polygons: the property of having equal sides and equal angles
the quality of being characterized by a fixed principle or rate
“he was famous for the regularity of his habits”
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 regularity 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.