hubble Hubbite • hubble-bubble · · · Info · Definitions · Characters · · hubble · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953). Synonyms: Hubble, Edwin Hubble, Edwin Powell Hubble. · · Noun Definition 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C u latin small letter u U+0075