say it: eh-stuh-MAY-shuhn
estimation is a noun meaning "a document appraising the value of something (as for insurance or taxation)". It carries 4 recorded senses.
a document appraising the value of something (as for insurance or taxation)
an approximate calculation of quantity or degree or worth
“an estimate of what it would cost”
“a rough idea how long it would take”
a judgment of the qualities of something or somebody
“many factors are involved in any estimate of human life”
“in my estimation the boy is innocent”
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 estimation 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.