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Related to refractory: refractory period, Refractory brick, refractory cement, refractory cancer, Refractory disease
1. Showing or characterized by obstinate resistance to authority or control: refractory children; refractory behavior.
2. Difficult to melt or work; resistant to heat: a refractory material such as silica.
3. Resistant to treatment: a refractory case of acne.
n. pl. re·frac·to·ries
One that is refractory, especially a material that has a high melting point.
[Alteration (influenced by adjectives in -ory) of obsolete refractary, from Latin refrāctārius, from refrāctus, past participle of refringere, to break up; see refract.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. unmanageable or obstinate
2. (Medicine) med not responding to treatment
3. (General Physics) (of a material) able to withstand high temperatures without fusion or decomposition
n, pl -ries
(Elements & Compounds) a material, such as fire clay or alumina, that is able to withstand high temperatures: used to line furnaces, kilns, etc
[C17: variant of obsolete refractary]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
re•frac•to•ry(rɪˈfræk tə ri)
adj., n., pl. -ries. adj.
1. hard or impossible to manage; stubbornly disobedient: a refractory child.
2. resisting ordinary methods of treatment.
3. difficult to fuse, reduce, or work, as an ore or metal.n.
4. a material that retains its shape and composition even when heated to extreme temperatures.
5. refractories, bricks of various shapes used in lining furnaces.
[1600–10; variant of refractary < Latin refrāctārius stubborn]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||refractory - lining consisting of material with a high melting point; used to line the inside walls of a furnace|
fireclay - a heat-resistant clay
|Adj.||1.||refractory - not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains"|
intractable - not tractable; difficult to manage or mold; "an intractable disposition"; "intractable pain"; "the most intractable issue of our era"; "intractable metal"
|2.||refractory - temporarily unresponsive or not fully responsive to nervous or sexual stimuli; "the refractory period of a muscle fiber"|
unresponsive - not responding to some influence or stimulus
|3.||refractory - stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"|
disobedient - not obeying or complying with commands of those in authority; "disobedient children"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
adjective unmanageable, difficult, stubborn, contentious, perverse, unruly, uncontrollable, intractable, wilful, recalcitrant, obstinate, headstrong, cantankerous, uncooperative, stiff-necked, disobedient, disputatious, mulish, contumacious refractory priests who tried to side with the king
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
refractory[rɪˈfrækt/ərɪ] adj (frm) → refrattario/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
1. resistente a un tratamiento;
2. que no responde a un estímulo.
English-Spanish Medical Dictionary © Farlex 2012
refractoryadj resistente al tratamiento
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.