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A compound of bromine with a positive radical.

A sensitized paper coated with gelatin impregnated with bromide of silver, used in contact printing and in enlarging.

A compound of hydrobromic acid with a base; -- distinguished from a bromide, in which only the bromine unites with the base.

A bromide having a higher proportion of bromine than any other bromide of the same substance or series.

A bromide containing more than one atom of bromine in the molecule.

for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride. [Eng.]

A conventional comment or saying, such as those characteristic of bromides. [Slang]

Designating or pertaining to, a process of preparing dry plates with an emulsion of bromides and silver nitrate in gelatin.

Treated with bromides and iodides.

See Bromide. [Obs.]

Silver bromide, a rare mineral; -- called also bromargyrite.

Any agent that depresses the activity of the motor centers, as bromides, etc.

A mineral consisting of both the chloride and the bromide of silver.

metal united 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 Hydrobromide.

ater. It resembles hydrochloric acid, but is weaker and less stable. Called also hydrogen bromide.

ed as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene. Methylene blue (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also pure blue.

A crystalline substance, (C2H4NH)2, formed by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout.

of which it is prefixed are combined with two of some other element or radical; as, sesquibromide, sesquicarbonate, sesquichloride, sesquioxide.

nsitiveness only 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.