refractory (formerly refractary) /ri-frakˈtə-ri/

1. Unruly
2. Unmanageable
3. Obstinate
4. Perverse
5. Resistant to ordinary treatment, stimulus, disease, etc
6. Esp difficult to fuse
7. Fire-resistant

A substance that is able to resist high temperatures, etc, used in lining furnaces, etc

refracˈtorily adverb

refracˈtoriness noun

refractory period noun (biology)

For an organism or an excitable tissue, the period of zero response following a previous response

• turcopolier
• turcopoliers
• Turcos
• turd
• turdine
• turdion
• turdoid
• turds
• turducken
• turduckens
• Turdus
• tureen
• tureens
• turf
• turf accountant
• turf accountants
• turf-clad
• turf drain
• turf drains
• turfed
• turfen
• turfier
• turfiest
• turfiness
• turfinesses