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Adjective: quintillionth
  1. The ordinal number of one quintillion in counting order
Noun: quintillionth
  1. One part in a quintillion equal parts
    - one-quintillionth

Derived forms: quintillionths

See also: ordinal

Type of: common fraction, simple fraction, vulgar fraction [Brit]

Nearest

Quintana Roo
quinte
quintessence
quintessential
quintessentially
quintet
quintette
quintic
quintile
quintillion
quintillionth
quintipara
quintuple
quintuplet
quintuplicate
quintupling
Quintus Septimius Florens Tertullianus
quinua
quip
quipster
quipu