expanding and contracting

USAGE SUMMARY

"expanding and contracting" is correct and usable in written English.
You can use it to describe something that grows larger and then smaller in size, or to describe something that is gaining and losing significance. For example, "The economy has been expanding and contracting over the last few years."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

German borders have been fluid, expanding and contracting over time like a concertina.

The Guardian - Books

They have a way of expanding and contracting that gives them a grip".

The New York Times - Arts

Rectangles kept floating in and out, rising and falling, expanding and contracting.

The New York Times - Arts

ISIS is both expanding and contracting to survive, U.S. officials say.

The New Yorker

Central banks traditionally regulate the money supply by expanding and contracting their assets.

Encyclopedia Britannica

Sequitur usually performs in the expanding and contracting configuration that has become the standard for new-music ensembles.

The New York Times - Arts

The man is shepherded through an expanding and contracting world, his own memories and moods changing like the weather.

The Guardian - Books

Even the tiny clicks of expanding and contracting overhead lights sounded fortissimo against the quietness of Osborne's playing.

The Guardian - Music

They force air into the man, expanding and contracting his chest like an air mattress failing to inflate.

The New York Times - Magazine

"I imagined the sea expanding and contracting as I breathed," he explains, "a giant presence from which I could never escape.

The New York Times - Books

I had the impression of a liquid substance, like molten lava, glimmering down below, a sparkling surface that pulsated with brightness, expanding and contracting.

The New Yorker

Expert writing Tips

Best practice

When describing cyclical processes, such as economic cycles or breathing patterns, use "expanding and contracting" to effectively illustrate the alternating phases of growth and reduction.

Common error

Avoid using "expanding and contracting" with a singular subject; ensure the subject is plural or collective to match the dual nature of the phrase. For example, use "economies are expanding and contracting", not "the economy is expanding and contracting" (unless referring to both processes separately).

Linguistic Context

The phrase "expanding and contracting" functions as a compound participle phrase often used adjectivally to describe nouns that undergo cyclical changes in size, volume, or scope. As confirmed by Ludwig, the phrase is grammatically correct and widely used.

Expression frequency: Very common

Frequent in

News & Media

40%

Science

35%

Encyclopedias

10%

Less common in

Wiki

5%

Formal & Business

5%

Reference

5%

Ludwig's WRAP-UP

The phrase "expanding and contracting" is a versatile and grammatically sound expression used to describe cyclical processes characterized by alternating phases of growth and reduction. Ludwig AI confirms its correctness and widespread use across various domains. As seen in the numerous examples provided by Ludwig, it appears frequently in news, science, and encyclopedic contexts, indicating a neutral register suitable for both formal and informal communication. To ensure clarity and accuracy, remember to use it with plural or collective subjects and consider synonyms like "growing and shrinking" or "waxing and waning" to enhance precision in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

growing and shrinking

Uses simpler vocabulary to convey the same concept of size variation.

increasing and decreasing

Uses more general terms to describe changes in quantity or size.

waxing and waning

Employs more poetic and literary terms for increasing and decreasing, often referring to cyclical phenomena.

ebbing and flowing

Suggests a rhythmic movement like tides, implying a regular pattern of change.

pulsating

Implies a rhythmic expansion and contraction, often associated with living things or energy.

fluctuating

Captures the sense of irregular variation without specifying expansion or contraction.

surging and receding

Conveys a powerful, wave-like movement of advancing and retreating.

inflating and deflating

Specifically refers to changes in volume due to pressure, often used in a literal sense.

rising and falling

Describes vertical movement or changes in level rather than overall size.

blooming and withering

Evokes the imagery of growth and decay, particularly in the context of living organisms.

FAQs

How can I use "expanding and contracting" in a sentence?

You can use "expanding and contracting" to describe anything that grows and shrinks, such as "The universe is constantly "expanding and contracting"" or "The company's market share has been "expanding and contracting" due to competition".

What are some synonyms for "expanding and contracting"?

Some synonyms for "expanding and contracting" include "growing and shrinking", "waxing and waning", and "increasing and decreasing". The best choice depends on the specific context.

Is it correct to say "expanding or contracting" instead of "expanding and contracting"?

Yes, "expanding or contracting" is grammatically correct, but it implies a choice between two states rather than a cyclical process. Use "expanding and contracting" to emphasize the continuous fluctuation between the two states, instead you can use "growing or shrinking".

What's the difference between "expanding and contracting" and "fluctuating"?

"Expanding and contracting" specifically denotes a change in size, while "fluctuating" is a more general term that describes any irregular variation. "Fluctuating" doesn't necessarily imply changes in size or volume, but rather any kind of wavering or instability.