[TheThirdRuffian]

“ a two-dimensional material ”

Yeah, I’m calling BS.

[MeanWestTexan]

“ a two-dimensional material ”

Yeah, I’m calling BS.”

Mathematically, you’re 100% correct.

This means a material where the atoms are bonded horizontally, with no vertical bonds, like graphene. The bonds are much stronger in this format.

It does have a non-zero height dimension, but it is so small, you can treat it as zero.