Dictionary.com
definitions
  • synonyms

rock oil

See more synonyms for rock oil on Thesaurus.com
noun
  1. petroleum.
Show More

Origin of rock oil

1660–70; translation of Medieval Latin petroleum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for rock oil

crude, oil, petroleum, petrol

Examples from the Web for rock oil

Historical Examples of rock oil

  • Rock-oil in Eighteen Hundred Fifty-eight was worth twenty dollars a barrel.

    Little Journeys to the Homes of the Great, Volume 11 (of 14)

    Elbert Hubbard

  • That's his centre-bit, and this is the bottle of rock-oil he's supposed to have kept dipping it in to prevent making a noise.


British Dictionary definitions for rock oil

rock oil

noun
  1. another name for petroleum
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012