tunneling

noun

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

verb

1. (form-of, gerund, participle, present)present participle and gerund of tunnel