Octodecillion
num ·Rare ·Advanced level
Definitions
- 1 10⁵⁷. Australian, British, US, modern, rare
"1962, David Bergamini, The Universe, Time-Life Books, Google Books considers page number to be top-secret The reason is that the rays created in the core are softened on their outward journey by being handled by the octodecillion-odd atoms of gas outside the core that are part of the sun but play no part in the central fusions."
- 2 10¹⁰⁸. Australian, British, dated, rare
Example
More examples"1962, David Bergamini, The Universe, Time-Life Books, Google Books considers page number to be top-secret The reason is that the rays created in the core are softened on their outward journey by being handled by the octodecillion-odd atoms of gas outside the core that are part of the sun but play no part in the central fusions."
Etymology
From Latin octodec(im) (“eighteen”) + -illion; compare tredecillion, quattuordecillion, etc. By surface analysis, octo- + decillion.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.