Anglais

distillation

gb/dˌɪstəlˈeɪʃən/ us/dˌɪstəlˈeɪʃən/
C1 Anglais
Sens
0 sens
Nom C1 process
1

purifying liquid by heating

a way to purify or separate a liquid by boiling it and cooling the steam

Schéma d’usage : the distillation of [liquid/substance]
Erreur fréquente :
Learners may confuse distillation (the process) with distillate (the liquid produced).
Synonymes
distilling (another term for the same process, often used in technical or procedural contexts) | purification (broader; not limited to boiling and condensing)
Antonymes
contamination (the state of being made impure, rather than purified) | mixing (combining substances instead of separating them)
Collocations
distillation process |fractional distillation |steam distillation |illegal distillation |home distillation |distillation apparatus |distillation column |distillation plant |distillation unit |distillation method
Thèmes
science |chemistry |food_and_drink |manufacturing
Exemples
  • The distillation of the fermented mash produces a clear spirit.
  • They use distillation to remove salts and minerals from water.
  • Modern refineries rely on distillation to separate crude oil into different fuels.
Exemples pédagogiques
  • Distillation makes water cleaner.
  • Whiskey is made by distillation.
Nom formal C1 abstract
2

essence or condensed summary

a short version that keeps only what is most important

Schéma d’usage : a distillation of [ideas/experience/information]
Erreur fréquente :
Learners may overuse it where simple words like summary or main point are more natural.
Synonymes
essence (focuses on the core quality rather than the process of reducing) | summary (more neutral and common; may include more detail than a 'distillation') | condensation (emphasizes shortening, often in writing)
Antonymes
expansion (adding detail rather than reducing to essentials) | digression (moving away from the main point rather than focusing it)
Collocations
a distillation of |careful distillation |distillation of ideas |distillation of experience |distillation of research |distillation of data |distillation of wisdom |distillation of the debate |a distillation of years of work |a distillation of the report
Thèmes
communication |education |writing |thinking
Exemples
  • Her talk was a distillation of years of research into a few key insights.
  • The new guide is a distillation of the company’s best advice for beginners.
  • This paragraph is the distillation of the argument: cost matters more than speed.
Exemples pédagogiques
  • This book is a distillation of his ideas.
  • Give me a distillation of the main points.
Nom technical C2 entity
3

product obtained by distilling

the liquid you get after distilling

Schéma d’usage : a distillation of [plant/oil/mixture]
Erreur fréquente :
This meaning is uncommon in everyday English; distillate is usually the clearer word for the product.
Synonymes
distillate (the standard technical word for the liquid collected after distillation)
Collocations
final distillation |first distillation |a floral distillation |herbal distillation |oil distillation |aromatic distillation |distillation of rose |distillation of lavender
Thèmes
science |chemistry |food_and_drink
Exemples
  • The lab collected the distillation in a clean receiving flask for analysis.
  • Perfumers may use a rose distillation as a base for fragrance blends.
Exemples pédagogiques
  • The distillation was stored in a bottle.
Grammaire
Forme canonique
distillation
API
GB/dˌɪstəlˈeɪʃən/
US/dˌɪstəlˈeɪʃən/
Syllabes et accentuation
dis - til - la - tion (4 syllabes)
Stress on 3rd syllable (la)
Formes du mot
Noun
  • Base: distillation
  • Plural: distillation, distillations
Famille de mots
Forms
distillations noun
Core family
distill verb B2 distiller noun distillery noun
Related words
distillate noun distilled adjective
Negative and opposite forms
undistilled adjective
Expressions

destructive distillation

1
/dɪstɹˈʌktɪv dˌɪstəlˈeɪʃən/
fixed phrase technical

heating without oxygen to decompose

heating a material without oxygen so it breaks into other substances

Exemples
  • Destructive distillation of wood produces charcoal and volatile chemicals.
  • In industrial history, destructive distillation was used to make coal tar from coal.

distillation column

1
/dˌɪstəlˈeɪʃən kˈɑləm/
fixed phrase technical

tower that separates by distillation

a tall machine that separates liquids by distillation

Exemples
  • Engineers monitored the temperature profile along the distillation column.
  • A distillation column can separate a complex mixture into several useful products.

distillation flask

1
/dˌɪstəlˈeɪʃən flˈæsk/
fixed phrase technical

glass container for distilling

a glass container used to boil a liquid in distillation

Exemples
  • We placed the mixture in a distillation flask and heated it gently.
  • Cracks in the distillation flask can be dangerous when the glass is under heat.

fractional distillation

1
/fɹˈækʃənəl dˌɪstəlˈeɪʃən/
fixed phrase technical

separating liquids by boiling points

a method to separate mixed liquids by their different boiling points

Exemples
  • Fractional distillation is used to separate crude oil into gasoline, diesel, and other products.
  • In class, we used fractional distillation to separate ethanol from water.

steam distillation

1
/stˈim dˌɪstəlˈeɪʃən/
fixed phrase technical

extracting oils using steam

a way to take oils from plants using steam

Exemples
  • Many essential oils are produced by steam distillation of leaves and flowers.
  • Steam distillation can help prevent heat damage to delicate compounds.

vacuum distillation

1
/vˈækjum dˌɪstəlˈeɪʃən/
fixed phrase technical

distilling under reduced pressure

distillation done at low pressure so liquids boil at lower temperatures

Exemples
  • The refinery uses vacuum distillation to process heavier fractions without overheating them.
  • We chose vacuum distillation because the compound decomposes at high temperatures.

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