say it: uh-roh-muh-THUR-uh-pee
aromatherapy is a noun meaning "the therapeutic use of aromatic plant extracts and essential oils in baths or massage". It carries one recorded sense.
the therapeutic use of aromatic plant extracts and essential oils in baths or massage
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 aromatherapy 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.