1. An alloy that contains 75 per cent gold
   - 18-carat gold

Type of: alloy, metal

• headnote
• headphone
• headpiece
• headpin
• headquarter
• headquarters
• headquarters staff
• headrace
• headrest
• headroom
• heads-up
• heads-up display
• headsail
• headscarf
• headset
• headshake
• headshaking
• headship
• headshot
• headsman
• headspace
• headspring
• headstall
• headstand
• headstock