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

Diiodide :: Diiodide (n.) A compound of a binary type containing two atoms of iodine; -- called also biniodide.
Bromine :: Bromine (n.) One of the elements, related in its chemical qualities to chlorine and iodine. Atomic weight 79.8. Symbol Br. It is a deep reddish brown liquid of a very disagreeable odor, emitting a brownish vapor at the ordinary temperature. In combination it is found in minute quantities in sea water, and in many saline springs. It occurs also in the mineral bromyrite..
Liquefacient :: Liquefacient (n.) An agent, as mercury, iodine, etc., which promotes the liquefying processes of the system, and increases the secretions..
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..
Oxiodic :: Oxiodic (a.) Pertaining to, or designating, certain compounds of iodine and oxygen..
Acidifier :: Acidifier (n.) A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc..
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..
Iodize :: Iodize (v. t.) To treat or impregnate with iodine or its compounds; as, to iodize a plate for photography..
Iodous :: Iodous (a.) Pertaining to, or containing, iodine. See -ous (chemical suffix)..
Iodide :: Iodide (n.) A binary compound of iodine, or one which may be regarded as binary; as, potassium iodide..
Granulose :: Granulose (n.) The main constituent of the starch grain or granule, in distinction from the framework of cellulose. Unlike cellulose, it is colored blue by iodine, and is converted into dextrin and sugar by boiling acids and amylolytic ferments..
Erythrogranulose :: Erythrogranulose (n.) A term applied by Brucke to a substance present in small amount in starch granules, colored red by iodine..
Varec :: Varec (n.) The calcined ashes of any coarse seaweed used for the manufacture of soda and iodine; also, the seaweed itself; fucus; wrack..
Periodic :: Periodic (a.) Pertaining to, derived from, or designating, the highest oxygen acid (HIO/) of iodine..
Iodhydrin :: Iodhydrin (n.) One of a series of compounds containing iodine, and analogous to the chlorhydrins..
Iodic :: Iodic (a.) to, or containing, iodine; specif., denoting those compounds in which it has a relatively high valence; as, iodic acid..
Periodide :: Periodide (n.) An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.
Iod- :: Iod- () A prefix, or combining from, indicating iodine as an ingredient; as, iodoform..
Homology :: Homology (n.) The correspondence or resemblance of substances belonging to the same type or series; a similarity of composition varying by a small, regular difference, and usually attended by a regular variation in physical properties; as, there is an homology between methane, CH4, ethane, C2H6, propane, C3H8, etc., all members of the paraffin series. In an extended sense, the term is applied to the relation between chemical elements of the same group; as, chlorine, bromine, and iodine are said
Kelp :: Kelp (n.) The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine..
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