say it: er-oh-dahy-NAM-iks
aerodynamics is a noun meaning "the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow". It is pronounced /ˌɛɹoʊdaɪˈnæmɪks/ — er-oh-dahy-NAM-iks. It carries one recorded sense.
the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow
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 aerodynamics 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.