In a manner that prevents infection or inhibits microorganism growth; with regard to antiseptic properties.
From 'antiseptic' plus the adverbial suffix '-ly', creating an adverb that describes how something is done or how a quality is applied.
When a surgeon prepares a workspace 'antiseptically', they're following protocols developed after countless deaths taught humanity that invisible germs were the real enemy—not evil spirits or bad air.
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