say it: kler-VOY-uhns
clairvoyance is a noun meaning "apparent power to perceive things that are not present to the senses". It carries one recorded sense.
apparent power to perceive things that are not present to the senses
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 clairvoyance 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.