refractory
UK/ri'fræktәri/US
GREC1
Definitions
adj.
Stubbornly resistant to control or authority.
执拗的，不服管的。
adj.
Not yielding to treatment (of a disease or condition).
难治的（指疾病）。
adj.
Resistant to heat; hard to melt (of a material).
耐火的，难熔的（指材料）。
Root Breakdown
Root-derivedre- (back) + fract (break) = 'breaking back against.' A refractory person or thing pushes back and won't yield — a refractory child resists authority, a refractory disease resists treatment, a refractory metal resists melting.
Root fract still carries 13 more wordsCommon Collocations
- 1.refractory period不应期／难治期
- 2.refractory material耐火材料
- 3.refractory disease难治性疾病
- 4.[refractory patient]难管的患者
Example Sentences
- 1.
The furnace is lined with refractory bricks that withstand extreme heat.
- 2.
Doctors struggled to treat the refractory infection.