quad'rillionth

World English Dictionary
quadrillion (kwɒˈdrɪljən) [Click for IPA pronunciation guide]
 
n
1.  US and Canadian word: septillion (in Britain) the number represented as one followed by 24 zeros (1024)
2.  (in the US and Canada) the number represented as one followed by 15 zeros (1015)
 
determiner
3.  a.  amounting to this number: a quadrillion atoms
 b.  (as pronoun): a quadrillion
 
[C17: from French quadrillon, from quadri- + -illion, on the model of million]
 
quad'rillionth
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Quad'rillionth is always a great word to know.
So is zedonk. Does it mean:
a gadget; dingus; thingumbob.
the offspring of a zebra and a donkey.
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