English adjective: quintillionth | |||
1. | quintillionth the ordinal number of one quintillion in counting order | ||
Similar | ordinal | ||
Antonyms | cardinal | ||
English noun: quintillionth | |||
1. | quintillionth (quantity) one part in a quintillion equal parts | ||
Synonyms | one-quintillionth | ||
Broader (hypernym) | common fraction, simple fraction | ||