English Explanatory Dictionary

septillion

English dictionary entry

Meanings

num
  1. A trillion trillion: 1 followed by 24 zeros, 10²⁴.
  2. A billion quintillion: 1 followed by 42 zeros, 10⁴².

Pronunciation

/sɛpˈtɪljən/ En-us-septillion.ogg

Word forms

septillion septillions

Etymology

From French septillion, from sept- (“seven”) + -illion. By surface analysis, sept- + -illion.

Synonyms

1024 1042

Related words

Previous: sextillion. Next: octillion. yotta-

Derived words

septillionaire septillionfold septillionth
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