고집이 세거나 통제하기 어려운 성격이나 태도를 나타냄
stubbornly resistant to authority or control; difficult to manage
예문:
"The refractory toddler threw a tantrum when asked to leave the playground."
"Management struggled to lead the refractory workforce during the difficult merger."
치료에 반응하지 않거나 병원균 등에 저항력이 있는 상태
not yielding to treatment or resistant to a particular stimulus or infection
예문:
"Clinical trials are focusing on patients with refractory epilepsy who do not respond to standard medication."
"The infection proved refractory to the first two rounds of antibiotics."
열에 견디는 성질이 강하여 고온에서도 잘 녹지 않음
resistant to heat; having a high melting point and difficult to fuse
예문:
"The alloy's refractory properties make it ideal for use in jet engine components."
"Refractory bricks are essential for lining industrial kilns that reach extreme temperatures."
고온에서도 변하지 않고 열과 부식에 견디는 물질
a substance or material that is resistant to heat and corrosion at high temperatures
예문:
"The steel mill requires a constant supply of high-quality refractories to protect its furnaces."
"Silicon carbide is a common refractory used in the manufacturing of semiconductors."