1. Resistant to catching fire
   - flame-retardant

See also: incombustible, noncombustible

• rollerblader
• rollerblading
• rollick
• rollicking
• rollickingly
• rolling
• rolling hitch
• rolling mill
• rolling paper
• rolling pin
• rolling stock
• rolling stone
• rolling wave
• rollmops
• Rollo
• rollover
• Rolodex
• roly-poly
• roly-poly pudding
• rolypoliness
• ROM
• Roma
• romaic
• romaine
• romaine lettuce