summer oil


Definition of summer oil

  1. 1 :  an oil that solidifies partly or wholly in cold weather: such as a :  cottonseed oil from which the stearin has not been removed b :  a heavy mineral lubricating oil

  2. 2 :  any of several highly refined oils used as foliage sprays to control insects (such as the codling moth)

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a brief usually trivial fact

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