lithium
/'liθiəm/
Học thuậtThân thiện
Definition
- Noun:
- A chemical element: Lithium is a soft, silver-white, univalent metallic element belonging to the alkali metal group. It is the lightest known metal and occurs naturally in various minerals.
Usage Examples
- Noun:
- Lithium is used in rechargeable batteries for electronic devices.
- The mineral spodumene is a common source of lithium.
- Doctors sometimes prescribe lithium carbonate to treat certain medical conditions.
Advanced Usage
- "Lithium-ion": A type of rechargeable battery technology where lithium ions move from the negative electrode to the positive electrode during discharge and back when charging. This is a compound term listed separately.
- Most modern smartphones are powered by lithium-ion batteries.
Variants and Related Words
- Lithiate (verb): To treat or combine with lithium.
- Lithic (adj): Relating to or consisting of stone. (Note: This is a broader term not exclusive to lithium but shares the Greek root "lithos" for stone).
- Lithium carbonate (n): A lithium compound used in medicine and industry.
Synonyms
- Li: The chemical symbol for lithium.
- Alkali metal: The group to which lithium belongs, though this refers to the entire group, not the element specifically.
Related Phrases and Compounds
- Lithium battery: A battery that uses lithium as an anode material.
- Lithium therapy: The use of lithium salts in psychiatric treatment.
Noun
- a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals