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Thorium - Meaning, Definition & English Examples

Thorium is a radioactive metallic element used as a fuel in nuclear reactors. It is found in minerals like monazite and has potential as a cleaner alternative to uranium.

thorium

/ˈθɔriəm/ /ˈθɔːriəm/

Definition:

A radioactive metallic element used in nuclear reactors and luminous paints.

Synonyms:

Th, element 90, actinide metal

Part of Speech:

noun

Antonyms:

nonmetal, inert gas

Common Collocations:

thorium reactor, thorium dioxide, thorium fuel, thorium alloy

Derivatives:

thoric, thorianite

Usage Tips:

Use "thorium" when discussing nuclear energy or chemistry; it’s a specific element (symbol Th).

Common Phrases:

thorium-based energy, thorium cycle, thorium fuel rod

Etymology:

Named after Thor, the Norse god of thunder, due to its radioactivity and discovery in minerals.

Examples:

  • 1. Thorium is a rare earth metal with potential for clean energy.
  • 2. Scientists study thorium as an alternative nuclear fuel source.
  • 3. The lamp’s glow came from thorium-coated filaments.
  • 4. Thorium decays slowly over billions of years.

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