refractory
UK /ɹɪˈfɹæk.tə.ɹi/ · US /ɹɪˈfɹæk.təɹ.i/ adjective, noun
Forms refractories
- adjective Obstinate and unruly; strongly opposed to something.
- adjective Not affected by great heat.
- adjective (medicine) Resistant to treatment; not responding adequately to therapy.
- adjective (biology) Incapable of registering a reaction or stimulus.
- noun A material or piece of material, such as a brick, that has a very high melting point.
- noun A plant or factory that produces such material.
Synonyms
contrary fractious adamant ardent grim untiring bent on bloody-minded bullheaded certain chronic confirmed determined diehard dogged hard-hearted hard-nosed hardheaded headstrong immovable furnace lining stubborn recalcitrant
Etymology
From Latin refractārius (“obstinate”), from refrāctus, past participle of refringere (“to break up”). Originally refractary, refractarie, but reanalysed after other adjectives in -ory.
Webster’s 1913
- adjective Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast.
- adjective Resisting ordinary treatment; difficult of fusion, reduction, or the like; --said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.
- noun A refractory person. Bp. Hall.
- noun Refractoriness. [Obs.] Jer. TAylor.
Etymology [L. refractorius, fr. refringere: cf. F. refractaire. See Refract.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “refractory”, CC BY-SA 4.0. Details