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1. Dictionary

   refractory

   /rɪˈfrakt(ə)ri/

   adjective

   • 1. stubborn or unmanageable: "his refractory pony"
   • 2. resistant to a process or stimulus: "some granules are refractory to secretory stimuli"
   • ▪ (of a person, illness, or diseased tissue) not yielding to treatment: "healing of previously refractory ulcers"
   • ▪ (of a person or animal) resistant to infection: rare "turkeys can be infected when young but are refractory as adults"
   • ▪ (of a substance) resistant to heat; hard to melt or fuse: technical "refractory materials found in lunar samples"

   noun

   • 1. a substance that is resistant to heat. technical

   Word Origin early 17th century: alteration of obsolete refractary, from Latin refractarius ‘stubborn’ (see also refract).

   Derivatives

   • 1. refractoriness noun

   Scrabble Points: 18

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   More definitions, origin and scrabble points

2. www.merriam-webster.com › dictionary › refractoryRefractory Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › refractory

   • Cached

   Refractory can be an adjective meaning resisting control, authority, or treatment, or a noun meaning a heat-resisting ceramic material. Learn more about its synonyms, examples, etymology, and usage from Merriam-Webster dictionary.

3. dictionary.cambridge.org › dictionary › englishREFRACTORY | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   Refractory means not affected by a treatment, change, or process, or difficult to control or obey. Learn more about the medical, science, and formal uses of this word, and see examples from the Cambridge English Corpus.

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5. www.dictionary.com › browse › refractoryREFRACTORY Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › refractory

   • Cached

   Refractory definition: hard or impossible to manage; stubbornly disobedient. See examples of REFRACTORY used in a sentence.

6. dictionary.cambridge.org › us › dictionaryREFRACTORY | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

   • Cached

   Refractory means not affected by a treatment, change, or process, or difficult to control or obey. Learn more about the word, its synonyms, and its usage in sentences from various sources.

7. www.vocabulary.com › dictionary › refractoryRefractory - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › refractory

   Definitions of refractory. adjective. stubbornly resistant to authority or control. “a refractory child” synonyms: fractious, recalcitrant. disobedient. not obeying or complying with commands of those in authority. adjective. not responding to treatment. “a refractory case of acne” synonyms: stubborn. intractable.

8. www.collinsdictionary.com › dictionary › englishREFRACTORY definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   Refractory can be an adjective or a noun, and it means difficult to deal with, control, or treat, or a material that can withstand high temperatures. Learn more about its synonyms, pronunciation, and examples from Collins English Dictionary.

9. www.thefreedictionary.com › refractoryRefractory - definition of refractory by The Free Dictionary

   www.thefreedictionary.com › refractory

   • Cached

   Refractory is an adjective that means resistant to authority, control, or heat, or a noun that refers to a material that can withstand high temperatures. Learn more about the origin, synonyms, and usage of refractory from various sources and dictionaries.