WordNet
- the ordinal number of one quadrillion in counting order
- one part in a quadrillion equal parts (同)quadrillionth
- the number that is represented as a one followed by 15 zeros
- the number that is represented as a one followed by 24 zeros; "in England they call a septillion a quadrillion"
PrepTutorEJDIC
- 《米》千兆,(one thousand trillion) / 《英》100万の4乗,(one trillion trillion)
English Journal
- The future of attosecond spectroscopy.
- Bucksbaum PH.SourcePULSE, Stanford Linear Accelerator Center, Stanford University, CA 94025, USA. phb@slac.stanford.edu
- Science (New York, N.Y.).Science.2007 Aug 10;317(5839):766-9.
- Attoscience is the study of physical processes that occur in less than a fraction of a cycle of visible light, in times less than a quadrillionth of a second. The motion of electrons inside atoms and molecules that are undergoing photoionization or chemical change falls within this time scale, as do
- PMID 17690285
Related Links
- Quadrillionth definition, a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros. See more. ... Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
- quadrillionth (not comparable) The ordinal form of the number one quadrillion. Noun [] quadrillionth (plural quadrillionths) The person or thing in the quadrillionth position. One of a quadrillion equal parts of a whole Retrieved from "" : ...
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