say it: UHN-dur-va-lyoo-ay-shuhn
undervaluation is a noun meaning "too low a value or price assigned to something". It carries one recorded sense.
too low a value or price assigned to something
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 undervaluation 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.