[ oi-ler ]
/ ˈɔɪ lər /


Nearby words

  1. oilcloth,
  2. oilcup,
  3. oildale,
  4. oiled,
  5. oiled silk,
  6. oilfield,
  7. oilfired,
  8. oilfish,
  9. oilgas,
  10. oillet

Origin of oiler

First recorded in 1545–55; oil + -er1


[ oil ]
/ ɔɪl /


verb (used with object)


Origin of oil

1125–75; Middle English olie, oile < Old French < Latin oleum, olīvum (olive) oil < *oleivum (cf. Deus) < dialectal Greek *élaiwon (Attic élaion), derivative of *elaíwā olive

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for oiler

British Dictionary definitions for oiler


/ (ˈɔɪlə) /


a person, device, etc, that lubricates or supplies oil
an oil tanker
an oil well


/ (ɔɪl) /


verb (tr)

Derived Formsoil-like, adjective

Word Origin for oil

C12: from Old French oile, from Latin oleum (olive) oil, from olea olive tree, from Greek elaia olive

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

Word Origin and History for oiler
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for oiler


[ oil ]


Any of numerous mineral, vegetable, and synthetic substances and animal and vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for oiler


[ oil ]

Any of a large class of viscous liquids that are typically very slippery and greasy. Oils are composed mostly of glycerides. They are flammable, do not mix with water, and include animal and vegetable fats as well as substances of mineral or synthetic origin. They are used in food, soap, and candles, and make good lubricants and fuels. See essential oil mineral oil petroleum.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with oiler


see banana oil; burn the midnight oil; grease (oil) someone's palm; grease (oil) the wheels; pour oil on troubled waters; strike it rich (oil).

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.