Definitions from Wiktionary (RON)

▸ noun:  A diminutive of the male given name Ronald.
▸ noun:  A male given name from Hebrew of Hebrew origin, meaning "Song of Joy".
▸ noun:  (slang) heroin
▸ noun:  (automotive) Abbreviation of research octane number. [An octane number, used by the American Society for Testing and Materials to estimate the antiknock characteristics of a fuel at low engine speeds.]
▸ verb:  (scheduling) Abbreviation of remain overnight.
▸ Also see ron


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