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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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rarefy

Grammar usage guide and real-world examples

USAGE SUMMARY

The word "rarefy" is correct and usable in written English.
You can use the word when referring to a process in which something is made less dense or more subtle. For example, you could say "The air was rarefied by the blast of wind."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

The star in question, however, when some billions of years had passed since its birth, and its companions began to rarefy, was not satisfied with its destiny and became restless — to such a point that its restlessness became visible even to those of us who are "very" distant and circumscribed by a "very" brief life.

News & Media

The New Yorker

Of course it's serious, and art is serious, but I'm not going to rarefy it".

In other words, there is more than enough chutzpah and get-off-your-assing to go around; plenty of will, desire and effort to find some way of defending and practising intellectually robust humanities education in a political environment that seems to be able, almost effortlessly, to suffocate, rarefy or commodify it.

News & Media

The Guardian

Almost everyone fails on them: supersede, naphtha, tranquillity, liquefy, sacrilegious, kimono, paraffin, rarefy, picnicking, battalion.

News & Media

The New Yorker

The primary activity of warmth is to move fast and to dilate and rarefy matter, whereas that of cold is to hinder movement and to condense matter.

Science

SEP

He explains that the heavenly bodies can only move with a circular movement because the luminosity in them is incapable of rarefaction or condensation, and as a result cannot incline the parts of their matter upward (to rarefy them) or downward (so as to condense them).

Science

SEP

Because the elements, on the other hand, can be rarefied and condensed, they can incline the luminosity in themselves away from the center of the universe, so as to rarefy it, or toward the center so as to condense it, and this accounts for their natural capacity to move up and down.

Science

SEP

Human-verified similar examples from authoritative sources

Similar Expressions

3 human-written examples

Sound moving through air also compresses and rarefies the gas in the direction of travel of the sound wave as they vibrate back and forth.

A surer bet is the bianca tradizionale, where a glaze of pork lard rarefies simple mozzarella.

News & Media

The New Yorker

By going back to the thing itself, phenomenology aimed at eluding the errors of both empiricism (reducing reality to the measurable) and idealism (rarefying reality into abstraction and subjectivism).

Science

SEP

Expert writing Tips

Best practice

Use "rarefy" when you want to describe making something less dense, either literally (like air) or figuratively (like an idea or concept). For instance, "the artist sought to rarefy the heavy atmosphere of the room with delicate lighting".

Common error

While "rarefy" is a valid word, it can sound overly formal or pretentious in everyday conversation. Opt for simpler alternatives like "thin out" or "lighten" in informal settings to avoid sounding unnatural.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.2/5

Expert rating

Real-world application tested

Linguistic Context

The verb "rarefy" primarily functions to describe the action of making something less dense or thinner. As Ludwig highlights, this can apply to both physical substances, like air, and abstract concepts, like ideas, making them more subtle or refined. Examples show its use in scientific and artistic contexts.

Expression frequency: Uncommon

Frequent in

Science

30%

News & Media

40%

Encyclopedias

30%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "rarefy" is a verb that means to make something less dense or thinner, applicable both literally and figuratively. As Ludwig points out, it's grammatically correct but may sound overly formal in casual contexts. Usage is relatively uncommon, and it most frequently appears in scientific, news, and encyclopedic sources. When using "rarefy", consider if simpler alternatives like "thin out" or "lighten" might be more appropriate for your audience. Ludwig's examples demonstrate its effective use in describing both physical and abstract processes.

FAQs

How can I use "rarefy" in a sentence?

You can use "rarefy" to describe making something less dense or more subtle. For example, "The heat from the fire began to "rarefy" the air above it," or "The philosopher sought to "rarefy" the complex arguments into simpler terms".

What can I say instead of "rarefy"?

Alternatives to "rarefy" include "thin out", "make less dense", "attenuate", or "sublimate", depending on the specific context.

Is it correct to use "rarefy" when describing abstract concepts?

Yes, "rarefy" can be used metaphorically to describe making abstract concepts more subtle or refined. For example, you might say a writer attempted to "rarefy" a complex idea into a more accessible form.

What is the difference between "rarefy" and "condense"?

"Rarefy" means to make something less dense or thinner, while "condense" means to make something denser or more compact. They are antonyms, representing opposite processes.

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Most frequent sentences: