centroid /senˈtroid/ (mathematics)

1. The point where the medians of a triangle intersect
2. The centre of mass

• work through
• worktop
• worktops
• work to rule
• work-to-rule
• work up
• work upon
• workwatcher
• workwatchers
• workwear
• workwears
• workweek
• workweeks
• workwoman
• workwomen
• work wonders
• worky-day
• world
• World Bank
• world-beater
• world-beaters
• world-beating
• world-class
• World Court
• World Cup