mine

B1 · Intermediate Countable noun Science

n. a deep hole or tunnel in the ground where people take out coal, gold, or other minerals.

n. an excavation in the earth for extracting coal, ores, or other precious minerals.

日本語:鉱山※

“The workers spent all day underground in the coal mine.”

“The abandoned silver mine became a significant safety hazard for the local community after the structural supports began to fail.”

B2 · Upper Intermediate Countable noun Military

n. a bomb placed under the ground or in the water that explodes when something touches it.

n. a stationary explosive device designed to be detonated by the proximity or contact of a person, vehicle, or ship.

日本語:機雷※

“The soldiers had to be careful because the field was full of mines.”

“Naval forces were deployed to clear the shipping lanes of underwater mines left behind after the conflict ended.”

B2 · Upper Intermediate Countable noun

n. a place or person that provides a lot of useful information or wealth.

n. an abundant source of something valuable, such as information or resources.

“My grandfather is a mine of information about the history of our town.”

“The archives proved to be a mine of data for the researchers, offering insights that had been overlooked for decades.”

B1 · Intermediate Science

v. to dig deep into the ground to find minerals like coal or gold.

v. to extract ore or minerals from the earth; can be used transitively or intransitively.

“They have been mining for gold in these mountains for centuries.”

“The company plans to mine the region for lithium, citing the growing global demand for battery components.”

B2 · Upper Intermediate Computing

v. to search through a lot of information to find something useful.

v. to systematically search or analyze a large body of information to extract valuable data.

“The company mines customer data to find out what people like to buy.”

“Social media platforms often mine user interactions to refine their advertising algorithms and increase engagement.”

B2 · Upper Intermediate Computing Technical

v. to use powerful computers to create new units of digital money like Bitcoin.

v. to perform the computational work required to verify transactions and earn new units of a cryptocurrency.

“He uses a special computer in his basement to mine Bitcoin.”

“The environmental impact of mining cryptocurrency has become a major concern due to the immense electricity consumption required for the process.”

C1 · Advanced Literary

v. to slowly destroy or weaken something, often in a secret way.

v. to weaken or ruin by slow degrees or secret means; often used as 'undermine'.

“Constant criticism began to mine her confidence in her own work.”

“The scandal served to mine the public's trust in the institution, eventually leading to a total collapse of authority.”

C2 · Proficiency Archaic · Literary

det. an old-fashioned way of saying 'my', used before words starting with a vowel.

det. an archaic first-person singular possessive determiner used before a vowel sound.

“The old poem began with the words, 'Mine eyes have seen the glory'.”

“In the King James Bible, the phrase 'mine eyes' is frequently employed where modern English would use 'my eyes'.”