Words · Familiar
refractory
/ɹəfˈɹæktɚi/ · 10 letters · 8 distinct letters
- noun
lining consisting of material with a high melting point; used to line the inside walls of a furnace
- adjective
not responding to treatment
a stubborn infection
- adjective
temporarily unresponsive or not fully responsive to nervous or sexual stimuli
the refractory period of a muscle fiber
- adjective
stubbornly resistant to authority or control
a fractious animal that would not submit to the harness