in relation to

idiom

formal

1

—used to compare to the size, shape, or position of (some other part of the same thing)

The monkey's eyes are large in relation to its head.

2

—used to talk about what something is like by seeing how it is related to something else

understanding literature in relation to history

3

: about (something or someone) : in reference to

I have several comments to make in relation to the subject at hand.