Meaning of ELEMENT in English
( n. )
One of the ultimate, undecomposable constituents of any kind of matter. Specifically: (Chem.) A substance which cannot be decomposed into different kinds of matter by any means at present employed; as, the elements of water are oxygen and hydrogen.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012