magnesium

/mæɡˈnɛzɪəm/

Definitions

1. noun

A soft, silver-white, and highly reactive chemical element; symbol Mg, atomic number 12.

“The fireworks display included a magnesium sparkler that lit up the night sky.”

2. noun

A compound containing magnesium as a constituent.

“Magnesium oxide is commonly used as an antacid in medicine.”

3. noun

A type of alloy containing magnesium as the main component.

“The car’s engine block was made of a strong magnesium alloy.”

4. verb

To treat (an ore) with a reducing agent, typically to extract magnesium from it.

“The metalworkers magnesiumed the ore to produce a usable form of magnesium.”

5. adjective

Relating to or containing magnesium.

“The magnesium-rich soil was perfect for growing crops.”

Synonyms

  • alkaline earth metal
  • magnesic

Antonyms

  • acidic
  • alkali