- possessive of I.
mine
1 Americanpronoun
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a form of the possessive case of I used as a predicate adjective.
The yellow sweater is mine.
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something that belongs to me.
Mine is the red car.
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Archaic. my (used before a word beginning with a vowel or a silent h, or following a noun).
mine eyes; lady mine.
noun
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mines
plural
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an excavation made in the earth for the purpose of extracting ores, coal, precious stones, etc.
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a place where valuable minerals may be obtained, either by excavation or by washing the soil.
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a natural deposit of valuable minerals.
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an abundant source; store.
The notes at the end of her book are a mine of information on the period she's writing about.
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a device containing a charge of explosive in a watertight casing, floating on or moored beneath the surface of the water for the purpose of blowing up an enemy ship that strikes it or passes close by it.
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a device containing a charge of explosive, typically buried under a shallow layer of dirt for the purpose of blowing up enemy personnel or vehicles that strike it or pass close by it; landmine.
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a subterranean passage made to extend under an enemy's works or position, as for the purpose of securing access or of depositing explosives for blowing up a military position.
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Entomology. a passageway in the parenchyma of a leaf, made by certain insects.
verb (used without object)
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mines,
present (3rd person singular)
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mined,
past participle, past
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mining
present participle
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to dig in the earth for the purpose of extracting ores, coal, etc.; make a mine.
Many people would mine for gold and silver in the area during the Gold Rush.
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to extract coal, ore, or the like, from a mine.
My grandfather mined to make his living, and it was hard on his body.
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to make subterranean passages.
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to place or lay mines, as in naval or other military operations.
verb (used with object)
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mines,
present (3rd person singular)
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mined,
past participle, past
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mining
present participle
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to dig in (earth, rock, etc.) in order to obtain ores, coal, etc..
They mined the Blue Ridge Mountains for quartzite, copper, iron, and manganese.
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to extract (ore, coal, etc.) from a mine.
Workers mined this tin in Thailand, likely in the late 19th century.
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to avail oneself of or draw useful or valuable material from.
I'll have to mine every resource available to finish my term paper on time.
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to use, especially a natural resource.
The proposal to mine the nation's oldest forests was met with disapproval.
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to make subterranean passages in or under; burrow.
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to make (passages, tunnels, etc.) by digging or burrowing.
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to dig away or remove the foundations of.
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to place or lay explosive mines in or under.
The squad was sent to mine an enemy supply road.
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Digital Technology. (of a computer, computer network, software application, etc.) to solve sets of mathematical problems that are used to verify cryptocurrency transactions and that, when solved, yield a unit of that currency in exchange, especially bitcoin.
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Agriculture. to grow crops in (soil) over an extended time without fertilizing.
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to remove (a natural resource) from its source without attempting to replenish it.
noun
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a system of excavations made for the extraction of minerals, esp coal, ores, or precious stones
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any deposit of ore or minerals
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a lucrative source or abundant supply
she was a mine of information
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a device containing an explosive designed to destroy ships, vehicles, or personnel, usually laid beneath the ground or in water
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a tunnel or sap dug to undermine a fortification
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a groove or tunnel made by certain insects, esp in a leaf
verb
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to dig into (the earth) for (minerals)
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to make (a hole, tunnel, etc) by digging or boring
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to place explosive mines in position below the surface of (the sea or land)
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to undermine (a fortification) by digging mines or saps
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another word for undermine
pronoun
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something or someone belonging to or associated with me
mine is best
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belonging to or associated with me
determiner
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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minesimple
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minessimple
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have minedperfect
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has minedperfect
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am miningprogressive
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are miningprogressive
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is miningprogressive
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have been miningperfect progressive
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has been miningperfect progressive
Past
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minedsimple
-
had minedperfect
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was miningprogressive
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were miningprogressive
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had been miningperfect progressive
Future
Etymology
Origin of mine1
First recorded before 900; Middle English; Old English mīn; cognate with Old Norse mīn, German mein, Gothic meina; see origin at my, me
Origin of mine2
First recorded in 1275–1325; 1875–80 mine 2 for def. 5; (for the verb) Middle English minen, from Old French miner (cognate with Provençal, Spanish minar, Italian minare ), from Vulgar Latin mīnāre (unrecorded), probably from a Celtic base akin to Middle Irish méin, Welsh mwyn “ore, mineral”; (for the noun) Middle English from Middle French, perhaps noun derivative of miner “to mine” (compare Medieval Latin mina “mine, mineral”)
Explanation
A mine is a hole in the earth from which workers take valuable things: coal, diamonds, copper. It is also a bomb that explodes when it's touched, often buried in the earth. When you think of mines, think of something beneath the surface or hidden. People mine for gold by sifting through water and rocks. West Virginia is famous for its coal mines. A mine field might describe a field laced with explosives — such as landmines. When people put these explosives in place, they're mining the land. Also, any dangerous situation can be called a mine field. Talking about sensitive subjects — like religion or race — is a verbal mine field for sure.
Vocabulary lists containing mine
"Still I Rise" by Maya Angelou
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Africa - Introductory
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Africa - Middle School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
“To be so far from my country and to connect with people in a country so different from mine, like the U.S., it’s such an honor.”
From Los Angeles Times ● Aug. 4, 2026
"Elephants come from time to time from Tsavo and Amboseli. They destroy many farms, not just mine," Michael said.
From BBC ● Aug. 4, 2026
Canada Nickel plans an open-pit mine with the capacity to produce roughly 240,000 metric tons of ore a day and mill with input capacity of 120,000 tons daily, all operating for about 41 years.
From The Wall Street Journal ● Jul. 31, 2026
“This is so toxic. I’m leaving,” a friend of mine texted me from the event.
From Salon ● Jul. 31, 2026
As I handed mine to the officer, she pointed to the simple gold ring that had belonged to Mama.
From "The Hiding Place" by Corrie ten Boom
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He also said that the UK is ready to lead a naval mission to help remove mines from the Strait of Hormuz "when the conditions are right".
From BBC ● Jul. 26, 2026
Recycling aluminium, which can be done infinitely, means less is being extracted from bauxite mines, which have huge impacts on communities and the environment from habitat destruction, contamination of soil and harm to human health.
From BBC ● Jul. 24, 2026
The drop was driven by seismic events around Newont’s Cadia mine, as well as lower production at the Ahafo South, Peñasquito, and Yanacocha mines.
From The Wall Street Journal ● Jul. 23, 2026
For 29-year-old Patryk Paja, who spent three years in the mines, wind is the future.
From Barron's ● Jul. 17, 2026
In church, the library, the mines, a few coughs that turned into a wheeze.
From "Moon Over Manifest" by Clare Vanderpool
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Despite the elevated values, the rocks do not contain enough gold to be commercially mined.
From Science Daily ● Jul. 29, 2026
But, along with graphic descriptions of Fremlin’s predatory behavior, she explores how Munro, a frequent New Yorker contributor, mined both her own difficult childhood and her daughter’s ordeals in her fiction.
From Los Angeles Times ● Jul. 8, 2026
Quartz sand mined at the site is used for making glass.
From BBC ● Jun. 17, 2026
While Myanmar has been massively impoverished by the civil war, it has also emerged as a major global supplier of mined rare earth minerals -- vital for China's production of renewable energy technology.
From Barron's ● Jun. 16, 2026
For instance, he was working on a technology to burn coal more efficiently, so that even the lowest-grade coal could be mined and sold.
From "The Glass Castle" by Jeannette Walls
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“Rook I is a world class asset that would fit into any major mining company’s portfolio.”
From The Wall Street Journal ● Aug. 6, 2026
The Environment Agency said this is because legacy substances, such as heavy metals from mining, take decades to break down, and some are building up.
From BBC ● Aug. 6, 2026
Critics fear deep-sea mining will cause irreversible damage, smothering marine life in plumes of waste and disrupting oceanic migrations with the thrum of heavy machinery.
From Barron's ● Aug. 6, 2026
Plans for deep-sea mining exploration are most advanced for a vast sweep of ocean near American Samoa, a US territory nestled between New Zealand and Hawaii in the South Pacific.
From Barron's ● Aug. 6, 2026
And as they sprouted and grew with note taking and the mining of my childhood memories came the belief, the solid belief, that it is true not just for me but for all of us.
From This Side of Wild by Gary Paulsen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.