from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several instruments in which fine particles (dust) in a gas are analysed by blowing them through a jet onto a wetted plate, prior to being counted


Sorry, no etymologies found.


  • Using an apparatus they developed called an impinger, a glass contraption that resembled a field hockey stick plunked into a vase, the two tested the air around apparently healthy babies in the New York Hospital nurseries, and discovered that half of the ones who showed no sign of staph 80/81 infection were colonized with the bug and shedding it into the air.



Log in or sign up to get involved in the conversation. It's quick and easy.