The most common and most likely answer to this crossword clue is the 7 letter word ALGEBRA
I've seen this crossword clue in The Times
A
L
G
E
B
R
A
More clues leading to the result ALGEBRA
- Second letter in a large, complicated branch of mathematics
- Lab gear reassembled for this subject at school
- Lab rage impaired academic study
- Subject of ace supporter nursing broken leg
- Beg Lara to prepare for school subject?
- Lab gear wrong for this school subject
- Garble, struggling with a branch of maths
- Subject's Gable posed by artist
- A large problem grasping second part of mathematics
- ‘Crumbling gable’ artist’s symbolic subject
Buddy explains!

The straight part
We know that "academic study" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case academic study = algebra.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 ALGEBRA mean?
ALGEBRA noun- A system for computation using letters or other symbols to represent numbers, with rules for manipulating these symbols.
- The surgical treatment of a dislocated or fractured bone. Also : a dislocation or fracture.
- The study of algebraic structures.
- A universal algebra.
- An algebraic structure consisting of a module over a commutative ring (or a vector space over a field) along with an additional binary operation that is bilinear over module (or vector) addition and scalar multiplication.
- A collection of subsets of a given set, such that this collection contains the empty set, and the collection is closed under unions and complements (and thereby also under intersections and differences).
- One of several other types of mathematical structure.
- A system or process, that is like algebra by substituting one thing for another, or in using signs, symbols, etc., to represent concepts or ideas.