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