Definitions
1.NounThe act of burrowing a tunnel.
2.NounThe practice of exploring tunnel.
3.NounThe quantum mechanical passing of a particle through an energy barrier.
4.NounA type of fraud where assets and profits are transferred out of firms for the benefit of those who control them.
5.NounA feature of the file system that allows files to preserve certain properties, such as creation date, even after being deleted and recreated.
6.Verbpresent participle and gerund of tunnel