say it: ruh-SES-iv
recessive is an adjective and noun meaning "of or pertaining to a recession". It carries 3 recorded senses.
of or pertaining to a recession
(of genes) producing its characteristic phenotype only when its allele is identical
genetics
an allele that produces its characteristic phenotype only when its paired allele is identical
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 recessive 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.