graphene

/หˆษกษนรฆf.iหn/

IPA: /G R AE1 F IY0 N/

noun
  1. 1

    Any polycyclic aromatic hydrocarbon having the structure of part of a layer of graphite.

  2. 2

    An arbitrarily large-scale, one-atom-thick layer of graphite, an allotrope of carbon, that has remarkable electric characteristics.

Source: https://en.wiktionary.org/wiki/graphene