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least significant digit

American  

noun

  1. the digit farthest to the right in a number. LSD

Example Sentences

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With reals, on the other hand, you start with the least significant digit, and you’re out of luck if you have a number such as π with an infinite number of digits.

From Scientific American • Aug. 6, 2012

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.