sulfur

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sulfur

The scientist examines a yellow sulfur crystal in the laboratory.

Definition

  1. Noun:

    • A chemical element: A common, yellow, non-metallic element found in nature, often near volcanoes. It has no taste or smell in its pure form and is used in many industries, such as making fertilizers, matches, and gunpowder. (Symbol: S)

  2. Verb:

    • To treat with sulfur: The act of using sulfur or sulfur compounds on something, often to preserve it, kill pests, or bleach it.
Usage Examples

  • Noun:

    • The distinct smell of sulfur is often associated with hot springs and volcanoes.
    • Sulfur is a key ingredient in the vulcanization process that makes rubber durable.

  • Verb:

    • Winemakers sometimes sulfur their barrels to prevent unwanted bacterial growth.
    • In the past, it was common to sulfur dried fruits to maintain their bright color.
Advanced Usage
  • "Sulfur dioxide" (SO₂): A pungent, toxic gas produced by burning sulfur or fossil fuels. It is a major air pollutant.
    • Sulfur dioxide emissions from factories contribute to acid rain.
Variants and Related Words
  • Sulphur: This is a chiefly British English spelling variant of . Both spellings are correct, but is the standard spelling in scientific and American English contexts.
  • Sulfuric (adj): Relating to or containing sulfur, especially in its hexavalent state. (e.g., ).
  • Sulfurous (adj): Relating to or containing sulfur, especially in its lower valences. It can also mean resembling or characteristic of sulfur, such as having a fiery or hellish quality. (e.g., , a speech).
Synonyms
  • Noun: Brimstone (an archaic or literary term for sulfur).
  • Verb: Fumigate (when used for pest control), bleach (when used for whitening).
Related Phrasal Verbs/Compounds
  • Sulfur-coated: Describes an object that has been covered with a layer of sulfur.
    • Sulfur-coated urea is a type of slow-release fertilizer.
Related Idioms
  • Fire and brimstone: A phrase describing a style of preaching or rhetoric that is full of vivid warnings of hellish punishment (where "brimstone" means sulfur).
    • The preacher delivered a fire and brimstone sermon.
sulfur

The scientist examines a yellow sulfur crystal in the laboratory.

Noun
  1. an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
Verb
  1. treat with sulphur in order to preserve
    • These dried fruits are sulphured

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