sulphide
/'sʌlfaid/
Definition
- Noun:
- A chemical compound: A compound formed when sulfur combines with a more electropositive element or radical.
Usage
- As a noun: Used to name specific chemical substances where sulfur is bonded to a less electronegative element.
- Hydrogen sulphide is a toxic gas with a characteristic smell of rotten eggs.
- Iron sulphide is a common mineral found in many rocks.
Advanced Usage
- In geology and mineralogy: Used to classify a major group of ore minerals.
- The prospectors discovered a vein rich in copper sulphide.
- In industrial chemistry: Refers to compounds often involved in chemical processes or as pollutants.
- The scrubber system removes sulphur dioxide and other sulphide compounds from the flue gas.
Variants and Related Words
- Sulfide: The American English spelling variant of "sulphide". Both forms refer to the same class of compounds.
- The formula for lead sulfide is PbS.
- Polysulphide (n): A compound containing chains of sulfur atoms.
- Polysulphide seals are used in insulating glass units.
Synonyms
- Thioether (in organic chemistry): Specifically for compounds with the structure R-S-R'.
- Sulfur compound: A broader term that includes sulphides.
Related Phrases and Terms
- Metal sulphide: A common type of sulphide where the other element is a metal.
- Galena is a mineral composed of lead sulphide.
- Hydrogen sulphide: A specific, well-known gaseous compound (H₂S).
- Hydrogen sulphide is produced by the breakdown of organic matter in the absence of oxygen.
Noun
-
a compound of sulphur and some other element that is more electropositive
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