pre-glacial /prē-glāˈshl or -si-əl/

Earlier than the glacial period

• twills
• twilly
• twilt
• twin
• twi-natured
• twin axes
• twin axis
• twin bed
• twin-bedded
• twin beds
• twin birth
• twin births
• twin-born
• twin brother
• twin brothers
• twin-cam
• twin crystal
• twin crystals
• twine
• twined
• twin-engined
• twiner
• twiners
• twines
• twinflower