-ium noun suffix
[New Latin, from Latin, ending of some neuter nouns]
a : a chemical element <sodium>
b : cation <tetrazolium>
plural -iums or -ia [New Latin, from Latin, from Greek -ion] : small one : mass —especially in botanical terms <pollinium>
Next Word in the Dictionary: iusPrevious Word in the Dictionary: IulusAll Words Near: -ium
Seen & Heard
What made you want to look up -ium? Please tell us where you read or heard it (including the quote, if possible).