Words that Rhyme with octillion
2 Syllable Words
billion, dillion, filion, fillion, jillian, jillion, killian, killion, lilian, million, pillion, quillian, stillion, trillion, zillion
3 Syllable Words
brazilian, castrillon, civilian, mcmillian, mcmillion, pavilion, pavillion, vaudevillian, vermilion, vermillion
4 Syllable Words
multibillion, multimillion
Definition of octillion
n. According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See Numeration.