IPA: //mænˈɡeɪniən//
KK: /mænˈɡeɪniən/
Relating to or containing manganese, especially in its higher oxidation state.
The manganesian minerals are important for various industrial applications.
Manganesian is derived from 'manganese' (from the Latin 'manganesium', meaning a mineral or element) and the suffix '-an' (meaning pertaining to or relating to). The word 'manganesian' refers to something that is related to or derived from manganese, a chemical element.
Think of 'manganese' as the mineral that 'manganesian' relates to, helping you remember that it describes something pertaining to manganese.