
• of Tunnel
Found on
http://thinkexist.com/dictionary/meaning/tunnelling/

The process by which a particle or a set of particles crosses a barrier on its potential energy surface without having the energy required to surmount this barrier. Since the rate of tunnelling decreases with increasing reduced mass, it is significant in the context of isotope effects of hydrogen isotopes.
Found on
http://www.chem.qmul.ac.uk/iupac/gtpoc/TtZ.html

technique for connecting two networks via a third network while totally isolating the connected traffic from other traffic in the third network NOTE - See Figure A.2.
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=732-01-29

Using a communications protocol to carry data between networks across an interconnecting network. The interconnecting network sees only the tunnel protocol, not the protocol elements carried by it. Examples in the mobile world include GPRS GTP and SNDCP. In the wider IP world, IPsec (secure IP), is often quoted but it works by extending the IP packet header and is not therefore tunnelling in the strict sense.
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Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.