lowercase
low-er-case
noun
The small form of letters, as opposed to capital letters.
"Please write your name in lowercase."
adjective
Referring to letters that are the small form, not capitalised.
"Use a lowercase 'a' for that word."
Thesaurus
Synonyms: lower-case letter, minuscule, small letter, little, small
Antonyms: capital, capital letter, majuscule, upper-case letter, uppercase