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radial velocity vs speed

speed vs radial velocity

radial velocity and speed both are nouns.

radial velocity is not a verb while speed is a verb.

Word NounAdjectiveVerbAdverb
radial velocity Yes No No No
speed Yes No Yes No
As nouns, speed is a hypernym of radial velocity; that is, speed is a word with a broader meaning than radial velocity:
  • radial velocity: velocity along the line of sight toward or away from the observer
  • speed: distance travelled per unit time
Other hypernyms of radial velocity include velocity.
radial velocity (noun) speed (noun)
velocity along the line of sight toward or away from the observer changing location rapidly
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
a rate (usually rapid) at which something happens
the ratio of the focal length to the diameter of a (camera) lens system
distance travelled per unit time
radial velocity (verb) speed (verb)
move faster
cause to move faster
move very fast
travel at an excessive or illegal velocity
move hurridly
Difference between radial velocity and speed

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