septillion Hear it!

septillion Definition

sep·til·lion (sep tilyən)

noun

  1. ☆ the number represented by 1 followed by 24 zeros
  2. Brit. the number represented by 1 followed by 42 zeros

Etymology: Fr < L septem, seven + Fr (m)illion

adjective

amounting to one septillion in number

Browse dictionary entries near septillion

  1. septilateral
  2. septifragal
  3. septicidal
  4. septicemia
  5. septic tank
  6. septic
  7. septi-
  8. septet
  9. septentrional
  10. septennial
  1. septime
  2. septuagenarian
  3. Septuagesima
  4. Septuagint
  5. septum
  6. septuple
  7. septuplet
  8. sepulcher
  9. sepulchral
  10. sepulchre