Definition of hexadecimal in English:
 hexadecimal
adjective ˌhɛksəˈdɛsɪm(ə)lˌhɛksəˈdɛs(ə)məl
Computing Relating to or using a system of numerical notation that has 16 rather than 10 as its base.
 a string of hexadecimal characters
 Example sentencesExamples
-  HTML has been set up to use this feature, allowing 2 hexadecimal digits per primary colour.
 -  Another common way of writing bit-strings is to use the hexadecimal notation.
 -  Customers of legal age sign up for a user account, for which they are assigned a unique, 5-digit, hexadecimal PIN.
 -  All you have to do is click on the color you want and the hexadecimal code is displayed for you.
 -  A setup wizard to explain the steps and end the need for obscurities such as hexadecimal codes would go a long way toward making a great technology accessible.
 
Derivatives
  
adverb
Computing  All characters that occur in these rules as control characters (&, +, =, and %) are also transcribed hexadecimally in the same way as high value ASCII characters.
 Example sentencesExamples
-  The yellow color is expressed hexadecimally as 0xff, 0xff and 0x7f.
 -  The number is displayed hexadecimally after the main program number.
 -  Also, remember that any special characters present in this url which might not normally be allowed (like spaces, slashes, and tildes) are hexadecimally encoded.
 -  In this case, the initial part of the address is trimmed off and is printed hexadecimally, e.g., 0x80004000 prints as 4000.
 
   Definition of hexadecimal in US English:
 hexadecimal
adjectiveˌheksəˈdes(ə)məlˌhɛksəˈdɛs(ə)məl
Computing Relating to or using a system of numerical notation that has 16 rather than 10 as its base.
 Example sentencesExamples
-  A setup wizard to explain the steps and end the need for obscurities such as hexadecimal codes would go a long way toward making a great technology accessible.
 -  Another common way of writing bit-strings is to use the hexadecimal notation.
 -  HTML has been set up to use this feature, allowing 2 hexadecimal digits per primary colour.
 -  All you have to do is click on the color you want and the hexadecimal code is displayed for you.
 -  Customers of legal age sign up for a user account, for which they are assigned a unique, 5-digit, hexadecimal PIN.