Synonyms: quadrillionth, one-quadrillionth
Definition: one part in a quadrillion equal parts
Similar words: common fraction, simple fraction
Definition: the quotient of two integers
Synonyms: quadrillionth
Definition: the ordinal number of one quadrillion in counting order
Similar words: ordinal
Definition: being or denoting a numerical order in a series
Usage: ordinal numbers; held an ordinal rank of seventh