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View synonyms for

refractory

[ ri-frak-tuh-ree ]

adjective

  1. hard or impossible to manage; stubbornly disobedient:

    a refractory child.

    Synonyms: , , , , , , ,

    Antonyms: ,

  2. resisting ordinary methods of treatment.
  3. difficult to fuse, reduce, or work, as an ore or metal.


noun

plural refractories.
  1. a material having the ability to retain its physical shape and chemical identity when subjected to high temperatures.
  2. refractories, bricks of various shapes used in lining furnaces.

refractory

/ ɪˈڰæəɪ /

adjective

  1. unmanageable or obstinate
  2. med not responding to treatment
  3. (of a material) able to withstand high temperatures without fusion or decomposition
“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

noun

  1. a material, such as fireclay or alumina, that is able to withstand high temperatures: used to line furnaces, kilns, etc
“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

refractory

/ ĭ-ڰăə-ŧ /

  1. Having a high melting point. Ceramics that are made from clay and minerals are often refractory, as are metal oxides and carbides. Refractory materials are often used as liners in furnaces.
  2. Resistant to heat.
  3. Of or relating to a refractory period.
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Derived Forms

  • ˈڰٴǰ, adverb
  • ˈڰٴǰԱ, noun
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Other yvlog Forms

  • ·ڰt·· adverb
  • ·ڰt··Ա noun
  • ܲr·ڰt· adjective
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yvlog History and Origins

Origin of refractory1

First recorded in 1600–10; variant of refractary (by analogy with adjectives in -ory 1 ), from Latin ڰ峦ܲ “stubborn, obstinate,” equivalent to ڰ峦(ܲ) ( refract ) + -ary
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yvlog History and Origins

Origin of refractory1

C17: variant of obsolete refractary ; see refract
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Synonym Study

See unruly.
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Example Sentences

Examples have not been reviewed.

"The prospect of changing the alloy and including other refractory metals to enhance the composite for nuclear applications is particularly exciting."

From

He said the medical cause of Benn's death was "refractory cardiogenic shock due to taxane alkaloid poisoning, following ingestion of yew tree berries and leaves".

From

U.S. and European companies have been recently investing in developing synthetic graphite as demand from the EV sector is surging for this soft form of carbon, which until recently was mainly used for steelmaking refractories.

From

In order to collect the data, researchers turned to a group of patients who have refractory epilepsy, currently untreatable by medication.

From

These unique landscapes would inspire the “Sacred Places” series, where watery glaze shines in contrast to stony, hand-molded castable refractory, which peaks like an island rising from the sea.

From

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