trillion
noun[a word formed arbitrarily of three, or Gr. million.]
tril’yun. The product of a million multiplied by a million, and that product multiplied by a million; or the product of the square of a million multiplied by a million. Thus 1,000,000 x 1,000,000=1,000,000,000,000, and this product multiplied by a million= 1,000,000,000,000,000,000.