chemically

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From chemical +‎ -ly.

chemically (comparative more chemically, superlative most chemically)

1. Using a chemical reaction, process, or operation.
2. According to the principles of chemistry.
   • 1852, Herman Melville, Pierre; or The Ambiguities:

     This letter, inscribed in a feminine, but irregular hand, and in some places almost illegible, plainly attesting the state of the mind which had dictated it;—stained, too, here and there, with spots of tears, which chemically acted upon by the ink, assumed a strange and reddish hue […]

From chemical +‎ -y.

chemically (comparative more chemically, superlative most chemically)

1. (colloquial) Reminiscent of chemicals.
   • 2013, E. E. "Doc" Murdock, My Vietnam War (page 250)

     It starts out as kind of a chemically taste, sharp and irritating, but then there's another taste underneath, like some kind of plant, maybe . . . flowers?