In a way that relates to chemistry or the reactions and interactions of substances; using chemical processes or properties.
Derived from 'chemical,' which comes from 'alchemy' through Arabic 'al-kimiya.' The adverb form was created by adding '-ly' (from Old English 'lice' meaning like or in the manner of).
When scientists say something is 'chemically unstable,' they mean the molecules want to rearrange themselves—it's basically the universe's way of trying to reach a more comfortable state, and understanding this is how we invented everything from medications to explosives.
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