pcm

adverb1

1. •
   Initialism of per calendar month.

   • Rent £500 pcm.

noun1

1. •
   Initialism of per cent mille.

noun5

1. •
   Initialism of pulse code modulation (“the system of encoding sound on a telephone for use in the PSTN, using a compander”).
2. •
   Initialism of powertrain control module.
3. •
   Initialism of phase change memory, a type of non-volatile computer memory.
4. •
   Initialism of phase-change material (“the type of material that phase change memory is composed of, capable of applications in switching”).
5. •
   Initialism of power control module.

prepositional phrase1

1. •
   Initialism of per calendar month: used in lease arrangements, stating that costs are to be paid on a fixed date every month.