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[pe-truh-ley-tuh m, -lah-] /ˌpɛ trəˈleɪ təm, -ˈlɑ-/
a yellowish or whitish, translucent, gelatinous, oily, semisolid, amorphous mass obtained from petroleum: used as a lubricant, rust preventive, in the manufacture of cosmetics, and in medicine as a protective dressing, emollient, and ointment base.
Also called petroleum jelly.
Origin of petrolatum
1885-90, Americanism; < New Latin; see petroleum, -ate2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for petroleum jelly
Historical Examples
  • The residuum consists of a gummy mass from which paraffine and petroleum jelly are extracted.

    Commercial Geography

    Jacques W. Redway
British Dictionary definitions for petroleum jelly

petroleum jelly

another name for petrolatum


a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing Also called mineral jelly, petroleum jelly
Word Origin
C19: from petrol + Latin -atum-ate1
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
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petroleum jelly in Medicine

petroleum jelly n.
A colorless-to-amber semisolid mixture of hydrocarbons obtained from petroleum and used in medicinal ointments. Also called petrolatum.

petrolatum pet·ro·la·tum (pět'rə-lā'təm)
See petroleum jelly.

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