RDF

1. Radio direction-finding (or -finder)
2. Refuse-derived fuel

• a lick and a promise
• alicyclic
• alidad
• alidade
• alidades
• alidads
• alien
• alienabilities
• alienability
• alienable
• alienage
• alienages
• alienate
• alienated
• alienates
• alienating
• alienation
• alienation effect
• alienations
• alienator
• alienators
• aliened
• alienee
• alienees
• aliening