Definition of indium noun from the Oxford Advanced Learner's Dictionary

 

indium

 noun
noun
BrE BrE//ˈɪndiəm//
 
; NAmE NAmE//ˈɪndiəm//
 
[uncountable](symbol In)
 
jump to other results
a chemical element. Indium is a soft silver-white metal. Word Origin mid 19th cent.: from indigo (because there are two characteristic indigo lines in its spectrum) + -ium.
See the Oxford Advanced American Dictionary entry: indium