The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A fluoroquinolone antibiotic C₁₈H₂₀FN₃O₄ composed of equal quantities of levofloxacin and dextrofloxacin, that is a broad-spectrum antibacterial agent that is used in topical solution for otic or ophthalmic use or is administered orally or intravenously for other uses. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.