Word Study
quadrillionth
WORDNET DICTIONARY
Noun quadrillionth has 1 sense
- quadrillionth(n = noun.quantity) one-quadrillionth - one part in a quadrillion equal parts; Array is a kind of common fraction, simple fraction
Adjective quadrillionth has 1 sense
For further exploring for "quadrillionth" in Webster Dictionary Online