'Chemically' definitions:

Definition of 'chemically'

From: WordNet
adverb
With chemicals;"chemically fertilized"
adverb
With respect to chemistry; "chemically different substances"; "chemically related"

Definition of 'Chemically'

From: GCIDE
  • Chemically \Chem"ic*al*ly\, adv. According to chemical principles; by chemical process or operation. [1913 Webster]