momentum /mō-menˈtəm/

1. The quantity of motion in a body measured by the product of mass and velocity
2. Force of motion gained in movement, impetus (informal)

• trailbastons
• trail bike
• trail bikes
• trailblazer
• trailblazers
• trailblazing
• trailed
• trailer
• trailered
• trailering
• trailer park
• trailer parks
• trailers
• trailer trash
• trailer truck
• trailer trucks
• trailing
• trailing arbutus
• trailing arbutuses
• trailing edge
• trailing edges
• trailingly
• trailing vortex
• trailless
• trail mix