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A binary compound of iodine, or one which may be regarded as binary; as, potassium iodide.

Same as Diiodide.

A compound of a binary type containing two atoms of iodine; -- called also biniodide.

A compound of hydriodic acid with a base; -- distinguished from an iodide, in which only the iodine combines with the base.

An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.

A iodide having more than one atom of iodine in the molecule.

A grayish green antiseptic powder, consisting of a basic iodide and gallate of bismuth, sometimes used in place of iodoform. [A Trademark]

Treated with bromides and iodides.

A method of taking photographic pictures, on paper sensitized with iodide of silver; -- also called Talbotype, from the inventor, Mr. Fox. Talbot.

ted to a negative element or radical, and now chiefly applied to the chlorides, bromides, iodides, and sometimes also to the fluorides and cyanides. -- n.

Same as Hydriodide.

into the pores of the skin, by which medicinal agents contained in them, such as mercury, iodide of potash, etc., are absorbed.

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.…

A iodide of quinine obtained as a brown substance,. It is the base of herapathite. See Herapathite.

Iodide. [Obs.]

Silver iodide, a mineral of a yellowish color.

To treat or test, as a liquid, with a solution of mercuric iodide in potassium iodide and potassium hydroxide, which is called Nessler's solution or Nessler's test, and is used to detect the presence of ammonia.

-- also called starch-iodide paper -->

rown down. -- Heavy solution (Min.), a liquid of high density, as a solution of mercuric iodide in potassium iodide (called the Sonstadt or Thoulet solution) having a maximum specific gravity of 3.2, or of borotungstate of cadium (Klein solution, specific gravity 3.6), and the like. Such solutions are much used in det…

nly while wet. The film used in such plates is of collodion impregnated with bromides and iodides. Before exposure the plate is immersed in a solution of silver nitrate, and immediately after exposure it is developed and fixed.