suprafacial

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective suprafacial is

(chemistry) of a chemical reaction, involving two simultaneous changes in bonding to the same face of a common centre (or related centres) of a molecular fragment.

As an adjective suprafacial

is (chemistry) of a chemical reaction, involving two simultaneous changes in bonding to the same face of a common centre (or related centres) of a molecular fragment.

As an adverb suprafacially is

in a suprafacial way.