hodographs
plural of hodograph
Source: Wiktionary
Hod"o*graph, n. Etym: [Gr.graph.] (Math.)
Definition: A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 December 2024
(adjective) being long-lasting and recurrent or characterized by long suffering; “chronic indigestion”; “a chronic shortage of funds”; “a chronic invalid”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
