say it: ree-SEP-tur
receptor is a noun meaning "a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response". It carries 2 recorded senses.
a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response
an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
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 receptor 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.