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many-one

American  
[men-ee-wuhn, men-ee-tuh-wuhn] / ˈmɛn iˈwʌn, ˈmɛn i təˈwʌn /

adjective

Logic, Mathematics.
  1. (of a relation) having the property that each element is assigned to one element only but that many elements may be assigned to the same element.


many-one British  

adjective

  1. maths logic (of a function) associating a single element of a range with more than one member of the domain

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of many-one

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I. Material particles he defines as "many-one relations of all times to some places, or of all terms of a continuous one-dimensional series t to some terms of a continuous three-dimensional series s."

From The Approach to Philosophy by Perry, Ralph Barton

And when I further delve into my impression, I first realize an undoubtedly physical relation between the many-one Welsh divines and the many-one Unamuno.

From Tragic Sense Of Life by Flitch, J. E. Crawford (John Ernest Crawford)