Definition of case-sensitive in English:

case-sensitive

adjective

Computing
  • 1(of a program or function) differentiating between capital and lowercase letters.

    • ‘Today's search engines are not case-sensitive; therefore I generally use initial caps in this tag because it looks the cleanest.’
    • ‘It has a built-in advanced password generator, which randomly chooses a case-sensitive combination of characters.’
    • ‘For example, the search commands are normally case-sensitive; to change this use the: set ignorecase or: set ic option.’
    • ‘We must be on the only server that has case-sensitive URLs.’
    • ‘If it were me, knowing that most stuff in UNIX is case-sensitive, and knowing that host names are case-insensitive, I'd probably think you meant " lclint ’, in which case I would be pretty frustrated if I tried to access that web site.’
    1. 1.1(of input) treated differently depending on whether it is in capitals or lowercase text.
      • ‘XML is a case-sensitive language so ‘findwithinradius ‘is NOT the same as ‘findWithinRadius‘.’
      • ‘Passwords are typically case-sensitive, so a strong password contains letters in both uppercase and lowercase.’

Pronunciation:

case-sensitive

/ˌkāsˈsensədiv/