vigintillion /vɪdʒɪnˈtɪljən/ number1 •Originally, in accordance with the long scale, the twentieth power of a million, 10¹²⁰; now (originally US), in accordance with the short scale, more usually 10⁶³.After vigintillions of years great Cthulhu was loose again, and ravening for delight. — 1928 formsvigintillions
