"octillion" means: A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10.. This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.
octillion
(US, modern, _, British, _, &, _, Australian, w:Long and short scales, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10.
Definitions
(US, modern, _, British, _, &, _, Australian, w:Long and short scales, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10.
Altogether it takes seven billion billion billion (that’s 7,000,000,000,000,000,000,000,000,000, or seven octillion) atoms to make you.
"octillion" means: A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10.. This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.
"octillion" means: A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10.. Register: neutral, standard English, usable in most everyday contexts. Note the regional or dialect label (US) — usage may sound odd outside that variety. A common non-native mistake is to use the word in the wrong register, or to assume one fixed meaning when it is actually polysemous; always check the surrounding register and the audience before producing it yourself. In formal writing, prefer a neutral synonym or a short descriptive phrase, and use this word only when you have heard or read it being used naturally in a comparable context.
Comments
(dated, _, British, _, &, _, Australian, w:Long and short scales, long scale) A trillion quintillion: 1 followed by 48 zeros, 10.
We humans are so stuck in the middle of the cosmic scales — in average height, one-hundredth of one-septillionth (10^-24) the size of the observable universe, and with typical life spans of a couple octillion attoseconds. And an attoseco…
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For specific readers
Why is this section here?
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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🇦🇺About Australian & NZ slang slang
Aussie and Kiwi vocabulary — bogan, daggy, brekkie, sheila, bach, jandals — the whole Antipodean lexicon, including outback dialect, surf and beach culture, and Sydney/Melbourne street slang.
See all Australian & NZ slang slang on Slangora.
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- sextillion77%
(US, British, Australian, short scale) A trillion billion: 1 followed by 21 zeros, 1021.
- octodecillion77%
(US, modern British and Australian, w:Long and short scales, short scale, rare) 1057.
- quadrillion76%
(US, modern British and Australian, short scale) A thousand trillion (logic: 1,000 × 1,0004): 1 followed by fifteen zeros, 1015.
- octovigintillion76%
(rare, US, modern, _, British, and, Australian, w:Long and short scales, short scale) 1087.