ˈmeləˌlīt noun
( -s )
Etymology: French mélilite, from méli- meli- + -lite
: an often honey-yellow mineral (Ca,Na 2 )(Mg,Fe,Al)(Si,Al) 2 O 7 occurring in small tetragonal crystals that is a silicate of sodium, calcium, aluminum, and iron ; especially : a member of the series consisting of an isomorphous solid-solution series between gehlenite and akermanite