aromaticity

[ ar-uh-muh-tis-i-tee, uh-roh-muh- ]
/ ˌær ə məˈtɪs ɪ ti, əˌroʊ mə- /

noun

the quality or state of being aromatic.
Chemistry. the property of being or resembling any of the aromatic compounds.

Origin of aromaticity

British Dictionary definitions for aromaticity

aromaticity
/ (əˌrəʊməˈtɪsɪtɪ) /

noun

the property of certain planar cyclic conjugated molecules, esp benzene, of behaving like unsaturated molecules and undergoing substitution reactions rather than addition as a result of delocalization of electrons in the ring
the quality or state of having an aroma