birr¹ /bûr or bir/ (esp Scot and US)

1. Impetus, force, vigour
2. A violent push (Scot)
3. Emphasis, stress in speaking
4. Any sharp whirring sound

To whirr

• hepatize
• hepatized
• hepatizes
• hepatizing
• hepatocyte
• hepatologies
• hepatologist
• hepatologists
• hepatology
• hepatoma
• hepatomas
• hepatomata
• hepatomegalies
• hepatomegaly
• hepatoscopies
• hepatoscopy
• hepatotoxic
• hep-cat
• hep-cats
• hepherd's weather glass
• hephthemimer
• hephthemimeral
• hephthemimers
• hepper
• heppest