The most common and most likely answer to this crossword clue is the 7 letter word OPHITIC
O
P
H
I
T
I
C
Buddy explains!
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 OPHITIC mean?
OPHITIC adjective- Describing any rock having crystals of feldspar interspersed with plates of augite.