# alchemy

/ˈæɫkəmi/ (US) · /ˈælkəmi/ (UK)

Source: https://englishreference.com/word/alchemy
Updated: 2026-08-27

## Senses

### 1. historical science

noun · CEFR C1 · Technical

an old form of science that tried to change ordinary metals into gold and find a way to live forever.

For teachers: the medieval and early modern precursor to chemistry, focused on the transmutation of base metals into gold and the discovery of a universal cure.

- In the Middle Ages, many people believed alchemy could turn lead into gold.
- The transition from alchemy to modern chemistry was marked by a shift toward rigorous empirical measurement and the rejection of mystical explanations.

### 2. mysterious change

noun · CEFR C1 · Literary

a mysterious power or process that changes something ordinary into something special.

For teachers: a seemingly magical process of transformation, creation, or combination.

- The chef used a kind of culinary alchemy to turn simple ingredients into a masterpiece.
- The director's creative alchemy transformed a mediocre script into a hauntingly beautiful cinematic experience.

### 3. complex algorithm

noun · CEFR C2 · Slang · Technical

a complex or secret way that a computer program or process works to get a result.

For teachers: an elaborate or opaque transformation process, often referring to complex algorithms or data processing.

- The company keeps the alchemy behind its search engine a secret.
- The software relies on a proprietary alchemy of machine learning and heuristic analysis to filter out fraudulent transactions.

## Examples

- The chef uses culinary alchemy to turn simple vegetables into a masterpiece.
- The startup's success was a result of pure alchemy between a visionary founder and a perfect market window.
- In the hands of a master poet, the alchemy of language can transmute the mundane details of daily life into profound universal truths.

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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.