An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 4 Search : tangential
tangential
  سایانی   
sâyâni (#)

Fr.: tangentiel   

Pertaining to or of the nature of a tangent.

tangent + -ial variant of → -al.

tangential motion
  جنبش ِ سایانی   
jonbeš-e sâyâni

Fr.: mouvement tangentiel   

That component of a an object's motion which is perpendicular to the observer's → line of sight.

tangential; → motion.

tangential velocity
  تندای ِ سایانی   
tondâ-ye sâyâni

Fr.: vitesse tangentielle   

1) The instantaneous linear velocity of a body moving in a circular path. It is equal to the → angular velocity multiplied by the radius: vt = ωr.
3) The component of the velocity of an object, such as a star, that is at right-angles to the observer's → line of sight; also known as transverse velocity. See also → radial velocity.

tangential; → velocity.

tangentially polarized light
  نور ِ قطبیده‌ی ِ سایانی   
nur-e qotbide-ye sâyâni

Fr.: lumière polarisée tangentiellement   

The → linearly polarized light that vibrates perpendicularly to an imaginary line joining the source to the point of observation.

Tangentially, adverb of → tangential; → polarized; → light.