lithium
pronunciation
                                            
                                                
                                                How to pronounce lithium in British English:
                                                
                                                UK [ˈlɪθiəm]
                                                
                                            
                                        
                                            
                                                
                                                How to pronounce lithium in American English:
                                                
                                                US [ˈlɪθiəm]
                                                
                                                
                                        
                                        
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- Noun:
 - a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
 
 
Word Origin
- lithium (n.)
 - silver-white metallic element, 1818, with element ending -ium + lithia, Modern Latin name given by Swedish chemist Jöns Jacob Berzelius (1779-1848) to the earth from which it was extracted, from Greek lithos "stone" (see litho-). So called from its mineral origin and to distinguish it from two previously known alkalis of vegetable origin.
 
Example
- 1. Yet bolivia happens to hold enormous quantities of lithium .
 
- 2. Lithium is a test case .
 
- 3. They have rechargeable lithium polymer batteries and are completely wireless .
 
- 4. The core of each sphere is a crystal of lithium iron phosphate .
 
- 5. And new challenges for lithium batteries are opening up in green energy .