1. Capable of contraction

Encyclopedia: Contractible

• roller coaster
• roller skate
• roller skating
• roller towel
• roller-skater
• Rollerblade
• 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