RF

1. Radio frequency
2. République française (French), French Republic

rf (music)

Rinforzando.

Rf (chem)

Rutherfordium

• Blue Blanket
• blue blood
• blue-blooded
• blue bloods
• blue-bonnet
• blue-bonnets
• blue book
• blue books
• bluebottle
• bluebottles
• blue box
• blue boxes
• bluebreast
• bluebuck
• bluebucks
• bluecap
• bluecaps
• blue cheese
• blue cheeses
• blue-chip
• bluecoat
• bluecoats
• Bluecoat school
• blue-collar
• blued