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radicand

American  
[rad-i-kand, rad-i-kand] / ˈræd ɪˌkænd, ˌræd ɪˈkænd /

noun

Mathematics.
  1. the quantity under a radical sign.


radicand British  
/ ˌrædɪˈkænd, ˈrædɪˌkænd /

noun

  1. a number or quantity from which a root is to be extracted, usually preceded by a radical sign

    3 is the radicand of √3

"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

radicand Scientific  
/ rădĭ-kănd′ /
  1. The number or expression that is written under a radical sign, such as the 3 in √3.


Etymology

Origin of radicand

1895–1900; < Latin rādīcandum, neuter gerundive of rādīcāre, derivative of rādīx root 1