The most common and most likely answer to this crossword clue is the 9 letter word LOWERCASE
L
O
W
E
R
C
A
S
E
Buddy explains!
The straight part
We know that "Type of a" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case type of a = lowercase.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LOWERCASE mean?
LOWERCASE noun- The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C).
- To convert (text) to lower case.
- In lower case