The orthocenter is an important point in geometry that corresponds to the intersection of the altitudes of a triangle. Although there's no exact synonym of the term, there are a few words that can be used in place of orthocenter to describe this point. One of them is altitude point, which relates to the perpendicular lines drawn from the vertices of a triangle to its opposite sides. Another synonym that's often used is the orthocentre, which refers to the same point but with a different spelling. The point can also be referred to as the height center, reflecting its location as the center of a triangle's altitude.