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iodine Definition

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iodine
noun(io-dine)
a nonmetallic halogen element obtained usually as heavy shining blackish-gray crystals and used especially in medicine, photography, and analysis
iodine
noun(io-dine)
a tincture of iodine used especially as a topical antiseptic
iodine
noun(io-dine)
a light bulb consisting of a quartz bulb and a tungsten filament with the bulb containing iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb

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