Definitions

1. adjective

written or printed in small letters, especially as opposed to uppercase.

“The instructions were written in both lowercase and uppercase letters.”

2. noun

the use of small letters in writing or printing, especially as opposed to uppercase.

“The font style was changed to lowercase for the title of the book.”

3. verb

to change (text) to small letters, especially as opposed to uppercase.

“The computer program automatically lowercase all the text in the document.”