English

Noun

perikron ‎(plural perikrons)

1. (rare) Alternative form of perikrone
   • 2006 December, CT Russell, JS Leisner, CS Arridge, MK Dougherty, & X Blanco-Cano, “Nature of magnetic fluctuations in Saturn's middle magnetosphere”, in Journal of Geophysical Research, volume 111:

     We do not examine the 6 hours surrounding perikron as the ion cyclotron waves in this region have already been extensively discussed [Leisner et al., 2006]. Perikron was close to 2100 on 24 December and the inbound pass cuts through the dayside magnetosphere.

   • 2008 February, James L. Cambias, “Balancing Accounts”, in Fantasy & Science Fiction, volume 114, page 20:

     I kept chugging away on ion, adjusting my path so I'd hit perikron in the B ring with orbital velocity.