In the natural sciences, a primary source could be defined as a report of original findings or ideas. These sources often appear in the form of research articles with sections on methods and results..
crampon - a hinged pair of curved iron bars; used to raise heavy objects crampoon grapnel, grapple, grappling hook, grappling iron, grappler - a tool consisting of several hooks for grasping and holding; often thrown with a rope
Definition of PRION. : any of several protein particles that are abnormal forms of normal cellular proteins, that lack nucleic acid, and that in mammals have been implicated as the cause of prion diseases when accumulated in the mammalian brain.