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trigintillion

/ˌtrɪdʒɪnˈtɪljən/

A number with thirty groups of three zeros

From Latin trīgintā (thirty).

noun
trīgintā
Latin
Verified
trīgintā
“thirty”; the numerical root of trigintillion

from Latin trīgintā (“thirty”) +‎ -illion.

English
Verified
trigint-
Combining form meaning “thirty” in names of enormous numbers

from Latin trīgintā (“thirty”) +‎ -illion.

-illion
English
AI-inferred
-illion
Suffix used to build names for successively enormous numbers
English
AI-inferred
million → -illion
Productive pattern extended from million to larger numerical names
Combined
trigintillion
trigint- (“thirty”) combines with -illion to create the name of a very large number
Modern English
AI-inferred
trigintillion
In the short scale, 1 followed by 93 zeros; in the long scale, 1 followed by 180 zeros
Modern English
trigintillion

A trigintillion begins with a surprisingly modest thought: the Latin word trīgintā, “thirty.” English then attaches the number-name suffix -illion, the same expandable bit seen in million, billion, and quadrillion, and suddenly “thirty” is commanding a procession of 93 zeros in the modern short scale. The long scale, still used in some countries, makes the procession even more extravagant: 180 zeros. These names became useful because writing “1 followed by 93 zeros” is awkward prose, while scientific notation can feel like a code from a laboratory wall. So trigintillion is less a naturally occurring ancient word than a linguistic machine—Latin supplies the counting label, and English keeps adding zeros behind it.

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