TANGENTIAL MOTION


Meaning of TANGENTIAL MOTION in English

Astron.

the component of the linear motion of a star with respect to the sun, measured along a line perpendicular to its line of sight and expressed in miles or kilometers per second. Also called tangential velocity . Cf. proper motion, radial motion .

[ 1760-70 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .