Definition of naphthenate in English:
naphthenate
noun ˈnafθɪneɪtˈnapθɪneɪt
Chemistry Any of the salts or esters of a naphthenic acid, some of which are used as paint dryers, as fungicides, and in lubricants.
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From naphthene + -ate.