(n.) Geophysics. The reciprocal of wavelength, so the number of wave cycles per unit of distance, abbreviated as k. See: F-K Domain, F-K Plot, Propagation Constant, Wavelength
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}