halogen

[US]/'hælədʒ(ə)n/
[UK]/'hælədʒən/
Frequency: Very High

Translation

n. halogen, elements of group VII in the periodic table, including fluorine, chlorine, bromine, iodine, etc.

Phrases & Collocations

halogen lamp

halogen bulb

halogenated compounds

halogen free

Example Sentences

Table standing luminaire for orientable direct task, low voltage, halogen lighting.

The behavior of halogen ions in alkaline-earth metal oxides+halogenide+molten slag of scales was investigated.

It provides orientable halogen task lighting, and its elegant counterweight and arm system keep the head constantly parallel to the table.

Metal hydroxides like aluminium trihydroxide (ATH) or magnesium dihydroxide (MDH) are commonly used halogen-free flame retardants in polyolefins.

Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.

Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

Halogen compunds coating fluorescent lamps phosphoresce to produce light in response to electric discharges inside the lamp (see electric discharge lamp).

Real-world Examples

As well as daylight, halogen spotlights illuminated his bench.

Source: The Economist (Summary)

That mix of colors, overall, glows bright white, like a halogen bulb in a beam.

Source: Science in 60 Seconds Listening Compilation July 2016

Halogens, Noble gases, lanthanides or rare earth elements.

Source: CNN 10 Student English Compilation August 2019

It might be a long hydrocarbon chain or a halogen or an oxygen.

Source: Chemistry Crash Course

If a halogen, such as bromine, is added in the place of hydrogen, the reaction is called halogenation.

Source: Chemistry Crash Course

Halogens can react with metals to form halide crystals, in which the atoms become arranged in a very orderly grid called a lattice.

Source: Scishow Selected Series

Silver halides are just some atoms of silver bound to atoms of any element known as a halogen, which includes things like bromine, chlorine, and iodine.

Source: Scishow Selected Series

On the other side of the table, you'll find most of the common anion-forming elements grouped together, particularly your halogens, along with oxygen, sulfur, and nitrogen.

Source: Crash Course Comprehensive Edition

Much of the interest in perovskites comes because those which combine metal atoms with chlorine, bromine or iodine (members of a group of elements called halogens) are semiconductors.

Source: The Economist - Technology

In addition to the extreme heat burning, melting and distorying anything it touches, lava releases particles into the air and toxic gases such as sulfur, carbon dioxide and halogen.

Source: If there is a if.

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