aluminum
/ə'ljuminəm/
Học thuậtThân thiện
Definition
- Noun:
- A silvery, ductile metallic element found primarily in bauxite: Aluminum is a lightweight, silver-colored metal that is easily shaped and is the most abundant metal in the Earth's crust. It is extracted mainly from the ore called bauxite.
Usage
- Aluminum is used as a material for making various products due to its properties of being lightweight, strong, and resistant to corrosion.
- It is a countable noun when referring to the element in a general sense, but often appears as an uncountable noun when referring to the material.
Examples
- Noun:
- The airplane's frame is made of lightweight aluminum.
- Aluminum is commonly used for beverage cans and foil.
- We recycled all the aluminum from the construction site.
Advanced Usage
- "Aluminum alloy": A material made by combining aluminum with other elements to enhance its properties.
- The bicycle frame is constructed from a high-strength aluminum alloy.
- In a technical or chemical context, its symbol Al and atomic number 13 are used.
- The periodic table shows aluminum (Al) in group 13.
Variants and Related Words
- Aluminium (noun): The British English spelling of the same element.
- The British spelling 'aluminium' uses a different pronunciation.
- Aluminous (adjective): Containing aluminum or alumina.
- Bauxite is an aluminous ore.
Synonyms
- Al (noun): The chemical symbol for aluminum.
- (In specific contexts, for the material) Aluminum foil, tin foil (colloquial, though technically different).
Related Phrases
- Aluminum siding: A type of exterior cladding for houses made from aluminum.
- The old house was covered with aluminum siding.
- Aluminum can: A container for drinks, typically made of aluminum.
- Please dispose of your aluminum can in the recycling bin.
Related Idioms
(There are no common idioms that center solely on the word "aluminum." It may appear in descriptive phrases, but not in figurative idioms.)
Noun
- a silvery ductile metallic element found primarily in bauxite