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hexadecimal

American  
[hek-suh-des-uh-muhl] / ˌhɛk səˈdɛs ə məl /

adjective

Computers, Mathematics.
  1. Also of or relating to a numbering system that uses 16 as the radix, employing the numerals 0 through 9 and representing digits greater than 9 with the letters A through F.

  2. relating to or encoded in a hexadecimal system, especially for use by a digital computer.


hexadecimal British  
/ ˌhɛksəˈdɛsɪməl /

adjective

  1. relating to or using a number system whose base is 16 rather than 10

"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

noun

  1. a number system having a base 16; the symbols for the numbers 0–9 are the same as those used in the decimal system, and the numbers 10–15 are usually represented by the letters A–F. The system is used as a convenient way of representing the internal binary code of a computer

"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
hexadecimal Scientific  
/ hĕk′sə-dĕsə-məl /
  1. Of, relating to, or based on the number 16.

  2. ◆ The hexadecimal number system is a way of representing numbers where each successive digit or number represents a multiple of a power of 16. It uses the digits 0–9 plus the letters A, B, C, D, E, and F to represent the decimal values 10–15. For example, 4B7E represents (4 × 16 3) + (11 × 16 2) + (7 × 16 1) + (15 × 16 0), or 19,327 in the decimal system.


Etymology

Origin of hexadecimal

First recorded in 1955–60; hexa- + decimal

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.

In fact, it was saved in hexadecimal format — despite the fact that packet captures use binary code.

From Salon

I found out how some files work, but I needed to edit in a hexadecimal editor manually.

From The Verge

You could also call it Super Bowl 110101 if you prefer binary numbers or Super Bowl 35 if hexadecimal is more your thing.

From New York Times

Entire marketing schemes are being designed with these entertainment detectives in mind — HBO’s Westworld spent its entire second season baiting the faithful with stunningly obscure puzzles featuring binary and hexadecimal code glimpsed in passing.

From The Verge

But with the ever-escalating battle to push phone cameras to the limit, it may only be a matter of time until the hexadecimal camera is a reality.

From The Verge