tredecillion

Valid in Scrabble

Definition of tredecillion

2 senses · 1 part of speech · etymology included

num

(US, rare)10⁴².

“The names of the periods above trillion are as follows [...] 15th, tredecillion [...]”
“3 quindecillion, 657 quattuordecillion, 262 tredecillion; which is to say the figures 3,657,262 followed by 42 ciphers. Operators of the key punch machines transfer a code symbol from the Census [...].”
“The answer is read as: 13 sexdecillion, 253 quindecillion, 796 quattuordecillion, 742 tredecillion, ….”

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num

(US, rare)10⁴².

“The names of the periods above trillion are as follows [...] 15th, tredecillion [...]”
“3 quindecillion, 657 quattuordecillion, 262 tredecillion; which is to say the figures 3,657,262 followed by 42 ciphers. Operators of the key punch machines transfer a code symbol from the Census [...].”
“The answer is read as: 13 sexdecillion, 253 quindecillion, 796 quattuordecillion, 742 tredecillion, ….”
(Australia, British, dated, rare)10⁷⁸.

Definitions from Wiktionary, CC BY-SA.

From Latin trēdec(im) (“thirteen”) + -illion. By surface analysis, tre- + decillion.

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