space velocity

noun

1
: the velocity of a star's motion relative to the sun as determined from its proper motion, distance, and radial velocity

called also space motion

2
: the number of volumes of gas or liquid usually calculated to standard conditions that pass over or through one unit volume (as of a catalyst in a reaction tube) in unit time

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near space velocity

Cite this Entry

“Space velocity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/space%20velocity. Accessed 28 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!