mine /maɪ̯n/pronoun 6verb 10noun 7determiner 3forms 3phrases 2 pronoun6 •the one or ones related to the person speaking, for example by belonging to them, used after a verb such as "is"The house itself is mine, but the land is not.These books are mine. •That or those belonging to me. •Used substantively, with an implied noun.Mine has been a long journey. •Used absolutely, set off from the sentence.Mine for only a week so far, it already feels like an old friend. •As double possessive.This house of mine is over 100 years old.You have something of mine. •(informal) My house or home.We had the party at mine. verb10 •To remove (rock or ore) from the ground.Crater of Diamonds State Park is the only place in the world where visitors can mine their own diamonds. •To dig into, for ore or metal.Lead veins have been traced […] but they have not been mined. — 1837 •(figurative) To tap into. •To earn new units of cryptocurrency by doing certain calculations. •To sow mines (the explosive devices) in (an area).We had to slow our advance after the enemy mined the road ahead of us. •To damage (a vehicle or ship) with a mine (an explosive device). •To dig away, or otherwise remove, the substratum or foundation of; to lay a mine under; to sap; to undermine.They mined the walls. — 1628 •(figurative) To ruin or destroy by slow degrees or secret means. •To dig a tunnel or hole; to burrow in the earth. •(slang) To pick one's nose. noun7 •An excavation from which ore or solid minerals are taken, especially one consisting of underground tunnels.This diamond comes from a mine in South Africa.He came out of the coal mine with a face covered in black. •(figurative) Any source of wealth or resources.She's a mine of information about the history of mathematics. •A device intended to explode when stepped upon or touched, or when approached by a ship, vehicle, or person.His left leg was blown off after he stepped on a mine.The warship was destroyed by floating mines. •A passage dug toward or underneath enemy lines, which is then packed with explosives.The most famous mine of the American Civil War led to the Battle of the Crater. •A machine or network of machines used to extract units of a cryptocurrency.A change to the blockchain method was contemplated to allow mines to hog less electric power. •The cavity made by a caterpillar while feeding inside a leaf. •A type of firework that explodes on the ground, shooting sparks upward. determiner3 •(nonstandard, no longer used) My; belonging to me.Well, then, fix it up nice, waiter, and make mine baked hash an’ mashed ’taters and stewed corn and waiter!—plain white bread, no fancy rolls! — 1936 •(no longer used) Used attributively after the noun it modifies.[…] Flesh and blood, / You, brother mine, that entertain'd ambition, / […] — 1610 •(no longer used) Used attributively before a vowel.Mine eyes have seen the glory of the coming of the Lord: / […] — 1862 formsmined · mining · mines Phrases with mine canary in a coal mineSomething whose sensitivity to adverse conditions makes it a useful early indicator of such conditions; something which warns of the coming of a greater danger or trouble by a deterioration in its health or welfare. gold mineA mine for gold ore or metal.