lucigen /looˈ or lūˈsi-jən/

A lamp burning oil mixed with air in a spray

• of an age
• of a night
• of a piece
• of a size
• of a sort
• of a truth
• of a verity
• ofay
• ofays
• Ofcom
• of course
• OFDM
• OFEX
• off
• off.
• OFFA
• off-air
• offal
• offals
• off and on
• off-and-on
• off balance
• off base
• off beam
• off-beam