aromaticity

[ar-uh-muh-tis-i-tee, uh-roh-muh-]
noun
1.
the quality or state of being aromatic.
2.
Chemistry. the property of being or resembling any of the aromatic compounds.

Origin:
aromatic + -ity

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aromaticity (əˌrəʊməˈtɪsɪtɪ)
 
n
1.  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
2.  the quality or state of having an aroma

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
With the same conversion, a residue from a catalytic reaction always has lower aromaticity.
In general, the aromaticity of the tars seems to increase slightly with coal rank.
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