The number enclosed in parenthesis in the superscript signifies the first slice of the tensor X
This is my sentence. I want to replace the italicized phrase with a single word that demonstrates that the number is inside the parenthesis. I'd write the sentence as it is but for some reason, the repetition of "in" is annoying me.
I faintly remember a word that started with en- that'd do the trick but I can't recall now. Is there a word that means "enclosed in parenthesis"?