hodograph /hodˈə-gräf/ (mathematics)

A curve whose radius vector represents the velocity of a moving point

• secondary picketing
• secondary pickets
• secondary planet
• secondary production
• secondary productions
• secondary radar
• secondary school
• secondary schools
• secondary sexual characteristics
• secondary shut-down system
• secondary shut-down systems
• secondary smoking
• secondary surveillance radar
• second ballot
• second ballots
• second banana
• second bananas
• second best
• second-best
• Second Book of Discipline
• second chamber
• second chambers
• second childhood
• second childhoods
• second class