say it: STIG-muh-tiz-uhm
stigmatism is a noun meaning "the condition of having or being marked by stigmata". It carries 3 recorded senses.
the condition of having or being marked by stigmata
(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
optics
normal eyesight
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 stigmatism 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.