1) General: A discussion involving differing points of view; debate;
a process of reasoning; series of reasons.
M.E., from M.Fr., from L. argmentum, from arguere "to make clear." Compare with L. argentum "silver," Gk. argos "white," arguron "silver," Av. auruša- "white" (Mid.Pers. arus "white, bright"), Av. ərəzata- "silver," Skt. arjuna- "white, shining," rajata- "silver," Mod.Pers. arziz "silvery metal tin;" PIE *arg- "to shine, be white, bright, clear."
Âruzmân, from Av. āroc- "to enlighten, make light," Av. raocah- "light, luminous; daylight;" Skt. roka- "brightness, light," cognate with Gk. leukos "white, clear;" L. lux "light" (also lumen, luna); PIE *leuk- "light, brightness" + noun forming suffix -mân.
argument of periapsis
Fr.: argument du périastre
The angular distance between the → ascending node of an object orbiting a → primary and its periapsis measured from the primary. Argument of periapsis is measured in the → orbital plane in the direction of motion. It is one of the → orbital elements. See also → argument of perigee, → argument of perihelion.
argument of perigee
Fr.: argument du périgée
argument of perihelion
Fr.: argument du périhélie
The angular distance between the → ascending node of an object orbiting the Sun and its perihelion. Argument of perihelion is measured in the → orbital plane with respect to the Sun and in the direction of motion. It is one of the → orbital elements and usually shown with the symbol ω. See also: → argument of perigee, → argument of periapsis.
The presentation and elaboration of an argument or arguments.
Noun from → argument.
1) Fond of or given to argument and dispute.