# mined

/ˈmaɪnd/ (US) · /mˈaɪnd/ (UK)

Source: https://englishreference.com/word/mined
Updated: 2026-08-08

## Senses

### 1. extracted from the earth

verb · CEFR B2

to have taken minerals, coal, or precious stones out of the ground.

For teachers: the past tense of 'mine', referring to the extraction of minerals or other geological materials from the earth.

- Workers mined silver in these mountains for hundreds of years.
- Historically, the local population mined tin from the riverbeds long before industrial machinery was introduced to the region.

### 4. digital currency

verb · CEFR B2 · Technical

to have used powerful computers to create new digital money like Bitcoin.

For teachers: the past tense of 'mine' in a computing context, referring to the process of using hardware to verify transactions and generate new units of cryptocurrency.

- He mined a lot of Bitcoin back when it was still very easy to do.
- As the difficulty of the algorithm increased, the amount of energy required for each mined block grew exponentially.

## Examples

- They mined coal in this valley for over fifty years.
- The researchers mined the historical archives for any mention of the lost settlement.
- Once the mountain was extensively mined for its copper deposits, the local economy had to transition toward tourism and sustainable land management to survive.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.