regression curve is a noun meaning "a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line". It carries one recorded sense.
a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line
statistics
Definitions, synonyms and semantic relations for regression curve come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.