A confused uproar, commotion, tumult or racket.

(intransitive) To cause a tumult or racket.

Alternative form of Hubble law

Alternative spelling of Hubble constant

(astronomy) A law stating that the velocity at which a distant object is receding from the Earth (as measured by its redshift) is proportional to its distance; observational evidence for an expanding universe.

(astronomy) A number that expresses the rate of expansion of the universe; the velocity at which a distant object is receding from the Earth divided by its distance; its reciprocal determines the age of the universe.

A bubbling sound. / A hookah.

plural of hubby

(astronomy) The astronomer Edwin Powell Hubble. / (astronomy, space flight) The Hubble Space Telescope.

hookah, bong (pipe)