Definitions for quadrillionth
Random House Webster's College Dictionary
quad•ril•lionkwɒˈdrɪl yən(n.)(pl.)-lions; -lion
(n.)a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
(adj.)amounting to one quadrillion in number.
Origin of quadrillion:
1665–75; quadr - +-illion (as in million)
one part in a quadrillion equal parts
the ordinal number of one quadrillion in counting order
The person or thing in the quadrillionth position.
One of a quadrillion equal parts of a whole
The ordinal form of the number one quadrillion.
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