ピーピーエム
piipii emu
1. parts per million; PPM
Noun
1. parts per million; PPM
1. bell pepper (esp. green); green pepper
1. opening; start
2. opening credits; title sequence
3. theme song (played during the opening credits of a TV show, etc.)
1. therapy
1. peanut
1. people
1. people's capitalism
1. atopic; predisposition toward allergies
2. atopic dermatitis
1. MP3