noun Download 🔗Share An underground or underwater passage. Examples : "The construction workers built a tunnel under the road to avoid disrupting traffic. " architecture geology place structure essential Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A passage through or under some obstacle. Examples : "The train traveled through a long tunnel under the mountain. " architecture essential Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A hole in the ground made by an animal, a burrow. Examples : "The rabbit made a tunnel in the garden. " animal environment nature essential Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A wrapper for a protocol that cannot otherwise be used because it is unsupported, blocked, or insecure. Examples : "The company used a tunnel to access the secure network, even though their regular internet connection was blocked. " technology computing internet communication technical system essential Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A vessel with a broad mouth at one end, a pipe or tube at the other, for conveying liquor, fluids, etc., into casks, bottles, or other vessels; a funnel. Examples : "The chef used a tunnel to pour the hot syrup into the dessert bowls. " utensil utility essential Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The opening of a chimney for the passage of smoke; a flue. Examples : "The house's chimney had a narrow tunnel, making it hard to get the smoke out properly. " architecture part essential Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A level passage driven across the measures, or at right angles to veins which it is desired to reach; distinguished from the drift, or gangway, which is led along the vein when reached by the tunnel. Examples : "The miners dug a tunnel to reach the ore deposit hidden beneath the mountain. " geology technical architecture industry essential Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To make a tunnel through or under something; to burrow. Examples : "The workers are tunneling through the hill to create a new road. " action geology architecture building environment essential Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To dig a tunnel. Examples : "The construction workers are tunneling through the hill to build a new road. " geology architecture building action essential Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To transmit something through a tunnel (wrapper for insecure or unsupported protocol). Examples : "The old email system was unreliable; it tunneled the sensitive student data through an insecure protocol. " technology computing internet communication essential Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To insert a catheter into a vein to allow long-term use. Examples : "The doctor tunneled a catheter into the patient's vein for the long-term IV drip. " medicine technical essential Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To undergo the quantum-mechanical phenomenon where a particle penetrates through a barrier that it classically cannot surmount. Examples : "The electron tunneled through the insulating layer, allowing the circuit to complete. " physics science essential Chat with AIVocabulary GamePractice Reading