refractory
I. adjective Etymology: alteration of refractary, from Latin refractarius, irregular from refragari to oppose, from re- + -fragari (as in suffragari to support with one's vote) Date: 1606 1. resisting control or authority ; stubborn, unmanageable 2. a. resistant to treatment or cure <
a refractory lesion
>
b. unresponsive to stimulus c. immune, insusceptible <
after recovery they were refractory to infection
>
3. difficult to fuse, corrode, or draw out; especially capable of enduring high temperature Synonyms: see unrulyrefractorily adverbrefractoriness noun II. noun (plural -ries) Date: 1627 a refractory person or thing; especially a heat-resisting ceramic material

New Collegiate Dictionary. 2001.

Synonyms:

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  • Refractory — Re*frac to*ry ( r?), a. [L. refractorius, fr. refringere: cf. F. refractaire. See {Refract}.] 1. Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast. [1913 Webster] Raging appetites that are …   The Collaborative International Dictionary of English

  • Refractory — Re*frac to*ry, n. 1. A refractory person. Bp. Hall. [1913 Webster] 2. Refractoriness. [Obs.] Jer. TAylor. [1913 Webster] 3. OPottery) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles …   The Collaborative International Dictionary of English

  • refractory — [ri frak′tər ē] adj. [altered < obs. refractary < L refractarius < refractus: see REFRACT] 1. hard to manage; stubborn; obstinate: said of a person or animal 2. resistant to heat; hard to melt or work: said of ores or metals 3. a) not… …   English World dictionary

  • Refractory — Refractory. См. Огнеупор. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • refractory — index contumacious, difficult, disobedient, disorderly, fractious, froward, hostile, incorrigible, ind …   Law dictionary

  • refractory — stubborn, obstinate, perverse, 1610s (earlier refractorious, 1550s), from L. refractarius obstinate …   Etymology dictionary

  • refractory — recalcitrant, intractable, ungovernable, *unruly, headstrong, willful Analogous words: *contrary, perverse, froward, wayward: *insubordinate, rebellious, contumacious Antonyms: malleable: amenable (sense 2) …   New Dictionary of Synonyms

  • refractory — ► ADJECTIVE 1) formal stubborn or unmanageable. 2) Medicine not yielding to treatment. 3) technical heat resistant; hard to melt or fuse. DERIVATIVES refractoriness noun. ORIGIN Latin refractarius stubborn …   English terms dictionary

  • Refractory — A refractory is a material that retains its strength at high temperatures. ASTM C71 defines refractories as non metallic materials having those chemical and physical properties that made them applicable for structures, or as components of systems …   Wikipedia

  • refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …   Universalium

  • Refractory — Not yielding (at least not yielding readily) to treatment. * * * 1. Resistant to treatment, as of a disease. SYN: intractable (1), obstinate (2). 2. SYN: obstinate (1). [L. refractarius, fr. refringo, pp. fractus, to break in pieces] * * *… …   Medical dictionary

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