WordWeb Online

1. A payment of part of a debt; usually paid at regular intervals
   - instalment
    
2. A part of a broadcast serial
   - episode, instalment
    
3. A part of a published serial
   - instalment
    
4. The act of installing something (as equipment)
   "the telephone installment took only a few minutes";
   - installation, installing, instalment

Derived forms: installments

Type of: beginning, broadcast, commencement, payment, program, programme [Brit, Cdn], start, text, textual matter

Part of: serial, serial publication, series

Encyclopedia: Installment