distinguishing upper- and lower-case letters

listen to the pronunciation of distinguishing upper- and lower-case letters
Английский Язык - Английский Язык

Определение distinguishing upper- and lower-case letters в Английский Язык Английский Язык словарь

Distinguishing upper- and lower-case letters.
case-sensitive

A case-sensitive comparison will find that smith and Smith are different words, while a case-insensitive comparison will not.