English Reference

Word

synthesis

Phoneticssyn·the·sis, stress on the first syllable

US/ˈsɪnθəsəs/

UK/sˈɪnθəsˌɪs/

Definitions

01combining ideas

C1 · Advanced Countable noun Academic

n. the act of combining different ideas, styles, or information to create a single, new result.

n. the formation of a complex or coherent whole by combining simpler elements or disparate ideas.

“The book is a perfect synthesis of history and fiction.”

“His latest research represents a brilliant synthesis of traditional sociological theory and modern data analytics.”

Usage

Often used with the preposition 'of' to describe the components being merged.

02chemical production

C1 · Advanced Uncountable noun Science Technical

n. the process of making a chemical substance by combining simpler parts.

n. the artificial execution of chemical reactions to obtain one or more products, typically involving the combination of simpler compounds.

“The synthesis of new medicines takes many years of laboratory work.”

“The laboratory successfully achieved the total synthesis of the alkaloid, a process previously thought to be impossible with current technology.”

Usage

Commonly used in both biochemistry and industrial chemistry contexts.

Antonyms

03logic and philosophy

C2 · Proficiency Countable noun Philosophy Academic · Formal

n. the result of combining two opposite ideas to find a new truth.

n. the third stage of the Hegelian dialectic, which reconciles the tension between a thesis and its antithesis.

“The professor explained how the synthesis of these two theories created a new way of thinking.”

“In the Hegelian framework, the synthesis does not merely cancel the preceding conflict but preserves and elevates the valid elements of both positions.”

Usage

Specific to dialectical reasoning and formal logic.

Antonyms

04sound creation

C1 · Advanced Uncountable noun Music Technical

n. creating complex sounds by combining simpler electronic signals.

n. the technique of generating sound electronically by combining different frequencies or waveforms.

“Modern music relies heavily on digital sound synthesis.”

“Granular synthesis allows composers to manipulate tiny fragments of audio to create vast, evolving soundscapes.”

Usage

Often used in the context of electronic music and audio engineering.

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “synthesis” in context.

Adjective

01. new synthesis

“The professor's latest book provides a new synthesis of modern economic theories.”

adj + noun

Noun

02. synthesis of

“His music is a unique synthesis of traditional folk and contemporary electronic beats.”

noun + of + noun

Real-World Examples

“The Stanford researchers picked the most promising 302 AI designs and synthesised them in the lab.”
BBC News 6 Aug 2026
“The group combines material synthesis, in situ nanomechanical testing, and advanced atomic-scale microstructure analysis to develop metallic materials that are both strong and deformable.”
ScienceDaily 31 Jul 2026

Etymology

From Latin synthesis, from Ancient Greek σύνθεσις (súnthesis, “a putting together; composition”), from συντίθημι (suntíthēmi, “put together, combine”), from συν- (sun-, “together”) + τίθημι (títhēmi, “set, place”). Doublet of sandhi.

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

Word family

ADJECTIVE

Domains

ChemistryGrammarLogicMedicineMilitaryPhilosophy

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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English Reference