enrichment

IPA/ɪnˈrɪtʃmənt/
KK[ɛnrˈɪtʃmənt]IPA/ɪnˈrɪtʃmənt/

enrichment — noun

1. the process of making something better or more valuable by adding useful feature

1.nounB2
Definition

the process of making something better or more valuable by adding useful features, content, or substances to it, such as nutrients, educational material, or decorative elements.

Example

The school received a grant for the enrichment of its music program with new instruments.

collocation: enrichment of [program/activity]

Soil enrichment through compost helps vegetables grow stronger and healthier.

collocation: soil enrichment

Common collocations
  • enrichment of [activity/course]
  • enrichment program
  • soil enrichment
  • personal enrichment
  • nutritional enrichment
  • educational enrichment
Synonyms
  • enhancement

    focuses more on making something already good even better, while enrichment often emphasises adding something new

  • improvement

    broader term; improvement can happen by fixing or changing, not only by adding

  • supplementation

    more technical and narrower, usually about adding nutrients or missing elements

Grammar Patterns

enrichment + of + noun

2. the act of making a person, company, or country financially wealthier, or the pr

2.nounB2
Definition

the act of making a person, company, or country financially wealthier, or the process of becoming richer.

Example

The discovery of oil led to the rapid enrichment of landowners in the region.

collocation: enrichment of [person/group]

Critics argued that the new tax laws mainly served the enrichment of large corporations.

Common collocations
  • enrichment of [person/company/country]
  • personal enrichment
  • corporate enrichment
  • rapid enrichment
Synonyms
  • wealth accumulation

    more neutral and process-focused; enrichment can imply someone made others rich

  • profit-making

    narrower, about business activity rather than personal or national gain

Antonyms

Grammar Patterns

enrichment + of + person/group

Usage Note

Often carries a critical tone when describing personal or corporate enrichment, implying unfair or excessive gain.

Common Mistakes

He made a huge enrichment from selling his house.
He made a huge profit from selling his house.
'enrichment' describes the process, not a one-time cash gain.

3. a scientific process that increases the amount of a particular isotope in a chem

3.nounC1
Definition

a scientific process that increases the amount of a particular isotope in a chemical element, especially changing uranium so that it can be used as fuel in nuclear power stations or in nuclear weapons.

Example

The country's uranium enrichment programme was placed under international supervision.

collocation: uranium enrichment programme

Scientists use gas centrifuges to carry out the enrichment of uranium-235.

enrichment of [specific isotope]

Common collocations
  • uranium enrichment
  • enrichment programme
  • enrichment technology
  • enrichment facility
  • nuclear enrichment
Synonyms
  • isotope separation

    the technical name for the underlying process; more precise but less common in news reporting

Grammar Patterns

uranium enrichment

enrichment of + isotope

Usage Note

In everyday conversation, this sense is almost always used with 'uranium' (e.g. 'uranium enrichment'). Without a modifier, it may be misunderstood as the general meaning of enrichment.

Common Mistakes

The enrichment of the soil requires uranium.
Uranium enrichment requires advanced technology.
Soil enrichment and uranium enrichment are completely different processes.

Word family

Synonym discussion

Sense: noun/1

All three words involve making something better, but they differ in how this happens. Enhancement suggests raising an existing quality to a higher level — you enhance a flavour, a skill, or a product's performance — without necessarily adding new components. Improvement is the broadest term: it covers any positive change, whether by fixing, upgrading, or replacing. Supplementation specifically means adding something that was missing or insufficient, as in vitamin supplementation or feed supplementation. Enrichment sits between enhancement and supplementation: it always involves adding something extra (nutrients, content, wealth) to make the whole richer or fuller. For example, 'soil enrichment' means adding compost or fertiliser; 'soil improvement' could also mean draining or tilling; and 'soil supplementation' would sound overly technical. In educational contexts, 'enrichment' adds new material beyond the standard curriculum, while 'enhancement' might improve how existing material is taught.

enhancement ↗improvement ↗supplementation ↗

Common collocations

Nouns

Adverbs

Phrases

  • source of enrichment
  • means of enrichment
  • opportunity for enrichment

Prepositions

Etymology

Old FrenchMiddle EnglishEnglish

The word enrichment comes from the Old French verb 'enrichir', which was formed by combining 'en-' (meaning 'in' or 'into') with 'riche' (meaning 'rich'). This gave the English verb 'enrich', and adding the suffix '-ment' turned the action into a noun describing either the process or the result. The word first appeared in English around the 1600s, and its use expanded from money and property to include any kind of improvement or added value, eventually reaching scientific contexts such as uranium enrichment in the 20th century.