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Keep "quinquadecillion" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
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Choose a synonym only if it keeps the core idea of "quinquadecillion" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "quinquadecillion", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "quinquadecillion" or choose a simpler alternative from the closest-match group.
5 total sentences available.
According to present figures, all the matter in existence, in our own and other universes, weighs some 20,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 metric tons, or a little more in English tons. There is a simpler way to write it in figures, but the newspaper linotype has not the necessary type faces. In words, it is twenty quinquadecillion tons.
Source: wiktionary
The universe, according to natural scientists, weighs 20 quinquadecillion tons.
Source: wiktionary
that is $1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.00 thank you!
Source: wiktionary
For example, computronium is a hypothetical substrate that is calculated as the densest and most efficient computing material allowed by the laws of physics. Physicist Seth Lloyd calculates that such a mythical material could compute on the order of 5 x 10^50 (500 quinquadecillion) calculations per second.
Source: wiktionary
Showing 4 of 5 available sentences.
Closest matches include quindecillion.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.