firmament /fûrˈmə-mənt/

1. The solid sphere in which the stars were formerly thought to be fixed
2. The sky

firmamental /-mentˈl/ adjective

• desulphuration
• desulphurations
• desulphured
• desulphuring
• desulphurisation
• desulphurise
• desulphuriser
• desulphurisers
• desulphurization
• desulphurize
• desulphurizer
• desulphurizers
• desulphurs
• desultorily
• desultoriness
• desultorinesses
• desultory
• desyatin
• desyatins
• desyne
• Det.
• detach
• detachability
• detachable
• detached