English Reference

Word

alchemy

Phoneticsalche·my

US/ˈæɫkəmi/

UK/ˈælkəmi/

Definitions

01historical science

C1 · Science

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

n. 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.”

Technical

Synonyms

hermeticismprotochemistry

02mysterious change

C1

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

n. 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.”

Literary

03complex algorithm

C2 · Computing

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

n. 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.”

Slang · Technical

Real-World Examples

“For bona-fide Italians, a tomato sauce is never just a sauce, but a form of alchemy.”
Aeon · 15 Sept 2026
“The mysterious pop alchemy of adding Kylie to a song took them all by surprise.”
The Guardian · 13 Sept 2026

Etymology

From Old French alkimie, arquemie (French alchimie), from Medieval Latin alchēmia, from Arabic اَلْكِيمِيَاء (al-kīmiyāʔ), from Ancient Greek χυμείᾱ (khumeíā, “art of alloying metals”), from χύμα (khúma, “ingot, bar”). Compare Spanish alquimia and Italian alchimia.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

alchemistNounalchemyNoun

Domain

Computing

This entry

Level
C2 · Proficiency
Frequency
Frequent
Updated

Scan code

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English Reference