­IUM


Meaning of ­IUM in English

suffix forming nouns denoting esp.: 1 (also -um) names of metallic elements (uranium; tantalum). 2 a region of the body (pericardium; hypogastrium). 3 a biological structure (mycelium; prothallium).

[ from or after L -ium f. Gk -ion ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.