tunneling

American  

[tuhn-uhl-ing] / ˈtʌn əl ɪŋ /

noun

plural

tunnelings

1. the act or process of creating a tunnel.

2. Physics. in quantum mechanics, the phenomenon in which a particle passes through a potential barrier that it would not be able to cross under classical physics; the probability of tunneling depends on the thickness of the barrier and the energy of the particle.

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tunneling Scientific  

/ tŭn′ə-lĭng /

1. See quantum tunneling

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Other Word Forms

• anti-tunneling adjective
• cotunneling noun
• non-tunneling adjective

Example Sentences

But after some residents of Mid-City expressed concerns about potential settlement damage and vibration to historic homes, Metro directed staff to conduct extensive, peer-reviewed study exploring tunneling under historic communities.

From Los Angeles Times • Mar. 26, 2026

Split tunneling, also called selective routing, allows you to choose whether or not to send certain traffic through the VPN.

From Salon • Mar. 21, 2026

Access to 10 countries, AES-256 encryption with WireGuard, plus extras like split tunneling and Stealth protocol.

From Salon • Feb. 12, 2026

In addition to SpaceX, xAI and Tesla, Musk has leadership roles at the Boring Company, a tunneling company, and Neuralink, which is developing brain-chip interfaces.

From MarketWatch • Jan. 29, 2026

While they were defending the gate, he would be tunneling under the south-western corner of the Abbey Wall!

From "Redwall" by Brian Jacques