Definition of iodine

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Iodine (n.) A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors..

Lern More About Iodine

Iodhydrin :: Iodhydrin (n.) One of a series of compounds containing iodine, and analogous to the chlorhydrins..
Iodize :: Iodize (v. t.) To treat or impregnate with iodine or its compounds; as, to iodize a plate for photography..
Periodide :: Periodide (n.) An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.
Iodide :: Iodide (n.) A binary compound of iodine, or one which may be regarded as binary; as, potassium iodide..
Lardacein :: Lardacein (n.) A peculiar amyloid substance, colored blue by iodine and sulphuric acid, occurring mainly as an abnormal infiltration into the spleen, liver, etc..
Chloriodine :: Chloriodine (n.) A compound of chlorine and iodine.
Absorbent :: Absorbent (n.) Any substance which absorbs and neutralizes acid fluid in the stomach and bowels, as magnesia, chalk, etc.; also a substance e. g., iodine) which acts on the absorbent vessels so as to reduce enlarged and indurated parts..
Daguerreotype :: Daguerreotype (n.) An early variety of photograph, produced on a silver plate, or copper plate covered with silver, and rendered sensitive by the action of iodine, or iodine and bromine, on which, after exposure in the camera, the latent image is developed by the vapor of mercury..
Erythrodextrin :: Erythrodextrin (n.) A dextrin which gives a red color with iodine. See Dextrin.
Iodic :: Iodic (a.) to, or containing, iodine; specif., denoting those compounds in which it has a relatively high valence; as, iodic acid..
Iodous :: Iodous (a.) Pertaining to, or containing, iodine. See -ous (chemical suffix)..
Iod- :: Iod- () A prefix, or combining from, indicating iodine as an ingredient; as, iodoform..
Achroodextrin :: Achroodextrin (n.) Dextrin not colorable by iodine. See Dextrin.
Erythrogranulose :: Erythrogranulose (n.) A term applied by Brucke to a substance present in small amount in starch granules, colored red by iodine..
Liquefacient :: Liquefacient (n.) An agent, as mercury, iodine, etc., which promotes the liquefying processes of the system, and increases the secretions..
Oxiodic :: Oxiodic (a.) Pertaining to, or designating, certain compounds of iodine and oxygen..
Kelp :: Kelp (n.) The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine..
Hydriodic :: Hydriodic (a.) Pertaining to, or derived from, hydrogen and iodine; -- said of an acid produced by the combination of these elements..
Heptad :: Heptad (n.) An atom which has a valence of seven, and which can be theoretically combined with, substituted for, or replaced by, seven monad atoms or radicals; as, iodine is a heptad in iodic acid. Also used as an adjective..
Halogen :: Halogen (n.) An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine..
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