\approxcoloncolon
The symbol \approxcoloncolon is used to denote a relation that is approximately equal or similar to another relation, often used in mathematical contexts to express approximate equivalence or similarity between two expressions or quantities.
Indicates that A is approximately similar to B in some context.
A \approxcoloncolon B
Shows that the function f(x) is approximately similar to g(x) over a certain domain.
f(x) \approxcoloncolon g(x)
Expresses that the sum of squares of x and y is approximately similar to the square of z.
x^2 + y^2 \approxcoloncolon z^2