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  1. third-person plural future active imperative of cieō



From Old Spanish, from Latin centum, from Proto-Italic *kentom, from Proto-Indo-European *ḱm̥tóm.


  • (Castilian) IPA(key): /ˈθjento/, [ˈθjẽn̪t̪o]
  • (Latin America) IPA(key): /ˈsjento/, [ˈsjẽn̪t̪o]
  • Homophone: siento (depending on region)


ciento (cardinal numeral, plural cientos)

  1. (cardinal number) one-hundred (100)

Usage notes[edit]

  • When used as an adjective before the modified noun, the apocopate form cien is used instead of ciento.
  • In composite numbers, the form cien is used before larger numbers components, ciento before smaller numbers.
cien mil pesos – “a hundred thousand pesos” ($100,000)
ciento noventa pesos – “a hundred ninety pesos” ($190)
  • When used substantively to indicate the number 100 itself, cien is more common in modern usage:
los números de uno hasta el cien – “the numbers from one to a hundred”
hay dos cienes en el papel – “there are two hundreds on the paper” (two occurrences of the number one hundred)
  • In the indefinite sense, ciento is used:
cientos de pesos – “hundreds of pesos”
  • To indicate percentages, ciento is usually used, with regional exceptions, especially for 100%:
cincuenta por ciento – “fifty percent”
cien por cien – “a hundred percent”
ciento por ciento – “a hundred percent”

Related terms[edit]