entry
centillion
/sɛnˈtɪljən/A one followed by 303 zeros
From Latin via French centi- (hundred).
Word Ancestry
Picture a nineteenth-century mathematician trying to name a number so vast that writing it out becomes an absurd exercise in ink and patience. The first piece, centi-, comes from Latin centum, “hundred”—the same family that gives us century, centennial, and percentage. The second piece is a linguistic hand-me-down from million: French and English learned to treat -illion as a reusable label for ever larger towers of zeros. French had centillion by about 1841, and English followed in 1846, giving the number a respectable passport even though people usually use it to mean simply “an unbelievably large amount.” In modern American short-scale usage, a centillion is 1 followed by 303 zeros—but numerical naming systems vary, so the word’s real superpower is not arithmetic precision; it is making infinity sound as if it could fit on a form.
The Story
Picture a nineteenth-century mathematician trying to name a number so vast that writing it out becomes an absurd exercise in ink and patience. The first piece, centi-, comes from Latin centum, “hundred”—the same family that gives us century, centennial, and percentage. The second piece is a linguistic hand-me-down from million: French and English learned to treat -illion as a reusable label for ever larger towers of zeros. French had centillion by about 1841, and English followed in 1846, giving the number a respectable passport even though people usually use it to mean simply “an unbelievably large amount.” In modern American short-scale usage, a centillion is 1 followed by 303 zeros—but numerical naming systems vary, so the word’s real superpower is not arithmetic precision; it is making infinity sound as if it could fit on a form.
Kin & Kindred
From 'centi-'·hundred
Derived Terms
English words from this root
From '-illion'·a large-number suffix
Derived Terms
English words from this root