English Reference

Word

condensation

Phoneticscon·den·sa·tion, stress on the third syllable

US/ˌkɑndənˈseɪʃən/

UK/kɒndɪnsˈeɪʃən/

Definitions

01water droplets

B2 · Upper Intermediate Uncountable noun Science

n. the small drops of water that form on a cold surface when it touches warm, wet air.

n. the conversion of a vapour or gas to a liquid, typically occurring when it comes into contact with a cooler surface.

“In the morning, there was heavy condensation on the inside of the bedroom windows.”

“Poor ventilation in the kitchen often leads to significant condensation, which can eventually cause mould to grow on the walls.”

Synonyms

Antonyms

02shortened text

C1 · Advanced Countable noun Formal

n. a shorter version of a book, speech, or piece of writing.

n. the act of reducing a text or idea to a more concise form while retaining its essential meaning.

“The editor provided a brief condensation of the long report for the manager.”

“The author's latest work is a masterful condensation of decades of research into a single, readable volume.”

03chemical reaction

C2 · Proficiency Countable noun Science Technical

n. a type of chemical reaction where two molecules join together and lose a smaller molecule, like water.

n. a chemical reaction in which two molecules combine to form a larger molecule, with the simultaneous loss of a small molecule such as water or methanol.

“The plastic is formed through a condensation reaction between two different chemicals.”

“Polymers like nylon are typically synthesised via condensation polymerisation, releasing water as a byproduct during the process.”

Antonyms

04psychology/dreams

C2 · Proficiency Uncountable noun Technical

n. when one image or idea in a dream represents several different things at once.

n. a process in which a single manifest dream image represents multiple latent ideas or associations.

“The therapist explained that the house in his dream was a condensation of his childhood home and his current office.”

“Freudian theory posits that condensation is one of the primary methods by which the 'dream-work' disguises forbidden desires.”

Real-World Examples

“The most common scientific approach for thinking about how condensation, freezing and other phase transitions begin is based in classical nucleation theory, which was developed about a century ago.”
Phys.org 25 Aug 2026
“Scientists have developed an ultrathin coating that could dramatically improve how efficiently heat is transferred during condensation.”
ScienceDaily 23 Aug 2026

Etymology

From condense + -ation, borrowed from Latin condēnsātiō, condēnsātiōnem.

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

Word family

NOUN

Domains

ChemistryPhysicsPsychology

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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