1. The use of the telephone as an interactive medium for promotion and sales
   - telemarketing, teleselling

Type of: marketing, merchandising, selling

• tetracycline
• tetrad
• tetradecanoic acid
• tetraethyl lead
• tetrafluoroethylene
• tetragon
• tetragonal
• Tetragonia
• Tetragonia expansa
• Tetragonia tetragonioides
• Tetragoniaceae
• Tetragonurus
• tetragram
• Tetragrammaton
• tetrahalide
• tetrahedral
• tetrahedrite
• tetrahedron
• tetrahydrocannabinol
• tetrahymena
• tetraiodothyronine
• tetralogy
• tetralogy of Fallot
• tetramerous
• tetrameter