/ Dictionary / Index H Hubble's law: Meaning and Definition of Find definitions for: Hub'ble's law' Pronunciation: [key] — Astron. Astron. the law that the velocity of recession of distant galaxies from our own is proportional to their distance from us. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Hubble's constant Hubble Space Telescope Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language