abstraction

Meanings

1. 1nouncountable or uncountable

   A general idea or quality thought about separately from particular people, objects, or events.

   Grammar: Countable for one particular idea; uncountable when speaking generally about abstract thought.

   Patterns

   • an abstraction from something
   • Justice is an abstraction.
   • move from the concrete to abstraction

   Freedom is an abstraction until someone explains what it means in daily life.

   The report turned a messy neighborhood problem into a neat abstraction.

   Students often find it easier to start with a story before discussing the abstraction behind it.

2. 2noununcountable

   The process of removing or ignoring concrete details in order to focus on essential features.

   Grammar: No plural; often followed by from when naming what is left out.

   Patterns

   • abstraction from something
   • through abstraction
   • a process of abstraction

   Good science uses abstraction from thousands of observations to form a simple law.

   Her design began with abstraction from real street maps.

   Too much abstraction from context can make advice sound useless.

3. 3nouncountable or uncountablecomputing

   In computing, a simplified model that hides unnecessary detail so users can work at a higher level.

   Grammar: Countable when naming one model or layer; uncountable for the general technique.

   Patterns

   • an abstraction of something
   • use an abstraction to hide something
   • provide an abstraction over something

   A file system gives programmers an abstraction over the physical disk.

   The API is an abstraction that hides the database details.

   Good abstraction makes code easier to test and reuse.

4. 4noununcountablespecialist

   In art, a style that does not try to represent objects realistically and instead uses shape, color, and line expressively.

   Grammar: Usually uncountable for the style; a particular work may be called an abstract, not usually an abstraction.

   Patterns

   • abstraction in painting
   • move toward abstraction
   • abstraction and representation

   The gallery show moved gradually from realism to abstraction.

   In her late work, abstraction replaced clear portraits and landscapes.

   Critics argued that the sculpture balanced abstraction with hints of the human body.

Word forms

Common combinations

level of abstraction

The lesson began at a high level of abstraction and then added examples.

abstraction from reality

The plan looked elegant, but critics said it was pure abstraction from reality.

mathematical abstraction

A variable is a mathematical abstraction used to stand for many numbers.

data abstraction

The course explains data abstraction before students write their first class.

abstraction layer

The driver acts as an abstraction layer between the app and the hardware.

Synonyms and how they differ

concept

A formed idea in the mind; abstraction is broader and emphasizes separation from concrete examples.

generality

A broad or non-specific statement; abstraction often sounds more philosophical or technical.

idea

Everyday and neutral; abstraction suggests the idea has been lifted away from particular cases.

Opposites

Word family

abstract adjective

Existing as an idea rather than a physical thing.

abstract verb

To remove or summarize essential features from details.

abstractly adverb

In a way that deals with ideas rather than concrete examples.

abstractness noun

The quality of being abstract rather than concrete.

Commonly confused: abstraction or abstract? abstraction or absurdity?

Practice

Make it your own

Write a sentence using “abstraction”, then check it and compare it with the examples above.

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