radial motion

[ rey-dee-uhl moh-shuhn ]

/ ˈreɪ di əl ˈmoʊ ʃən /

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noun Astronomy.

the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.

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Also called ra·di·al ve·loc·i·ty

[rey-dee-uhl vuh-los-i-tee] /ˈreɪ di əl vəˈlɒs ɪ ti/ .

Compare redshift, tangential motion.

Origin of radial motion

First recorded in 1880–85

Words nearby radial motion

radial extensor muscle of wrist, radial flexor muscle of wrist, radial growth phase, radial index artery, radial keratotomy, radial motion, radial nerve, radial paralysis, radial-ply, radial saw, radial symmetry

How to use radial motion in a sentence

I wonder what that lady is doing now, and if she knows what she set in motion with Archer?
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
The train was already in motion as she tried to step inside, and her body was crushed beneath it.
Riding Thailand’s WWII Death Railway|Liza Foreman|December 21, 2014|DAILY BEAST
Stop-motion animation artist PES has unveiled a new short this week.
‘Sexual’ Barbershop Quartet, a Panda Family Reunion, and More Viral Videos|The Daily Beast Video|December 14, 2014|DAILY BEAST
But what he did set in motion a series of events that ended in his life being lost.
A Black Cop’s Tough Words for Mike Brown|Mary M. Chapman|December 3, 2014|DAILY BEAST

This year McQueen picked up three Oscars (including best picture) for his third motion picture 12 Years A Slave.
Has the Turner Prize Gone Soft?|David Levesley|December 2, 2014|DAILY BEAST
In this situation we waited the motion of the enemy, without perceiving any advancement they made towards us.
The Life and Most Surprising Adventures of Robinson Crusoe, of York, Mariner (1801)|Daniel Defoe
These sections also have vibrations of their own which are of shorter length and more rapid motion.
Expressive Voice Culture|Jessie Eldridge Southwick
Felipe watched over her as a lover might; her great mournful eyes followed his every motion.
Ramona|Helen Hunt Jackson
At six o'clock I felt once more the welcome motion of a Railroad car, and at eight was in Venice.
Glances at Europe|Horace Greeley
The first jolt had like to have shaken me out of my hammock, but afterwards the motion was easy enough.
Gulliver's Travels|Jonathan Swift