mine

Etymology 1

From Middle English min, myn, from Old English mīn, from Proto-West Germanic *mīn, from Proto-Germanic *mīnaz, from Proto-Indo-European *méynos. Cognate with Saterland Frisian mien, West Frisian myn, Dutch mijn, Low German mien, German mein, Danish, Swedish and Norwegian min, Icelandic mín.

pron

1. That which belongs to me.
   1. Used predicatively.
      The house itself is mine, but the land is not.
   2. Used substantively, with an implied noun.
      Mine has been a long journey.
   3. Used absolutely, set off from the sentence.
      Mine for only a week so far, it already feels like an old friend.

det

1. My; belonging to me.
   1. (archaic) Used attributively after the noun it modifies.
   2. (archaic) Used attributively before a vowel.
      Mine eyes have seen the glory of the coming of the Lord: / […] 1862 February, Julia Ward Howe, “The Battle Hymn of the Republic”, in The Atlantic Monthly, volume IX, number LII, page 10
      1930 Winter, Packard Motor Car Company, The Packard Magazine, Volume 9, Number 2, page 6, Mine host, it seemed, did favors for everybody...

Etymology 2

From Middle English, from Old French mine, from Late Latin mina, from Gaulish (compare to Welsh mwyn, Irish mianach (“ore”)), from Proto-Celtic *mēnis (“ore, metal”).

noun

1. 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.
   Most coal and ore comes from open-pit mines nowadays.
2. (figurative) Any source of wealth or resources.
   She's a mine of information.
   To those seeking information about train services on the Continent, Cook's Continental Guide is always a mine of accurate information. 1962 December, “Beyond the Channel: U.S.S.R.: Train speeds still rising”, in Modern Railways, page 418
3. (military) A passage dug toward or underneath enemy lines, which is then packed with explosives.
4. (military) 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.
   Pack ice, at times mounting to a height of 35 ft., snow, fog, and floating mines all played their part in the disorganisation of railway services, and most of the train ferry services were completely suspended for a month or more; …. 1940 May, “Overseas Railways: Icebound Denmark”, in Railway Magazine, page 302
5. (pyrotechnics) A type of firework that explodes on the ground, shooting sparks upward.
6. (entomology) The cavity made by a caterpillar while feeding inside a leaf.
7. (computing) A machine or network of machines used to extract units of a cryptocurrency.

verb

1. (transitive, intransitive) 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.
2. To dig into, for ore or metal.
   Lead veins have been traced […] but they have not been mined. 1837, Andrew Ure, Dictionary of Arts, Manufactures and Mines
3. (transitive) To sow mines (the explosive devices) in (an area).
   We had to slow our advance after the enemy mined the road ahead of us.
4. (transitive) To damage (a vehicle or ship) with a mine (an explosive device).
5. (intransitive) To dig a tunnel or hole; to burrow in the earth.
   the mining cony
6. To dig away, or otherwise remove, the substratum or foundation of; to lay a mine under; to sap; to undermine.
7. (by extension, figurative) To ruin or destroy by slow degrees or secret means.
8. (slang) To pick one's nose.
9. (cryptocurrencies) To earn new units of cryptocurrency by doing certain calculations.
   Coordinate term: mint
   Bitcoin supporters say that estimates of its carbon footprint are overstated. And if the computers that mine and help transact bitcoins are attached to an electric grid that uses wind and solar power, they add, mining and using it will become cleaner over time. 2021-03-09, Andrew Ross Sorkin, “Bitcoin's Climate Problem”, in The New York Times, →ISSN

Etymology 3

Borrowed from French mine.

noun

1. Alternative form of mien