English Reference

Word

bromide

Phoneticsbro·mide

US/ˈbɹoʊˌmaɪd/

UK/bɹˈɒmaɪd/

Definition

n. a chemical used in the past to make photos last longer. It was also used in medicine to help people sleep or relax.

n. a salt of hydrobromic acid, historically used in photographic emulsions and as a sedative in medicine. Often refers to silver bromide in the context of early photography.

Examples

“The photographer used silver bromide to develop the film.”

“Before modern sedatives were available, doctors often prescribed potassium bromide to patients suffering from anxiety or insomnia.”

“The transition from silver bromide to more sensitive emulsions marked a significant shift in the speed and quality of photographic film during the late nineteenth century.”

Examples

simple

“The photographer used silver bromide to develop the film.”

contextual

“Before modern sedatives were available, doctors often prescribed potassium bromide to patients suffering from anxiety or insomnia.”

complex

“The transition from silver bromide to more sensitive emulsions marked a significant shift in the speed and quality of photographic film during the late nineteenth century.”

Etymology

From brom- + -ide. First used in the sense “dull person” by Gelett Burgess. Figurative sense ("platitude") by extending the medicating sense through the metaphor of pacifying or placating.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Photography

This entry

Level
C2 · Proficiency
Frequency
Occasional
Updated

Scan code

englishreference.com/q/bromide

English Reference