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Wikipedia
OPN

OPN may stand for:

  • Osteopontin, a glycoprotein secreted by osteoblasts
  • Object Process Network, a simulation model meta-language
  • Optics & Photonics News, a magazine
  • Oneohtrix Point Never, a musician
  • Olivary pretectal nucleus, a nuclei in the pretectal area, or pretectum
  • In mathematics, odd perfect number
  • Yamaha YM2203, a sound chip

Usage examples of "opn".

All drs wide opn allow each off see another, all spls will carry revr.