prometal /prōˈme-tl/

A kind of cast iron highly resistant to heat

• extern
• external
• external-combustion engine
• external-combustion engines
• external degree
• external examination
• external examinations
• external examiner
• external examiners
• externalisation
• externalise
• externalised
• externalises
• externalising
• externalism
• externalisms
• externalist
• externalists
• externalities
• externality
• externalization
• externalize
• externalized
• externalizes
• externalizing