close to absolute zero

USAGE SUMMARY

The phrase "close to absolute zero" is correct and usable in written English.
It can be used in scientific contexts, particularly in discussions about temperature and physics, to describe temperatures that are very near to the theoretical lowest temperature possible. Example: "The experiment was conducted in a lab that maintained conditions close to absolute zero to observe quantum phenomena."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

34 human-written examples

Electrons inside conducting solids, which are quasi-particles themselves, when tightly confined at temperatures close to absolute zero, behave as though they had split into three other quasiparticles: spinons, Orbitons and holons.

Wikipedia

In theory, such a fridge can get arbitrarily close to absolute zero, and Popescu says that it might be possible to make one using trapped ions for the qubits and streams of laser light as the baths.

Science Magazine

These spheres have been polished so perfectly that, if they were magnified to be the size of the Earth, the blemishes on their surfaces would be less than five metres high.These perfect spheres are coated with niobium, a metal which, when kept close to absolute zero, is a superconductor.

The Economist

Everything is relative, even when the temperature feels close to absolute zero.

The New York Times

For the original superconductors, discovered almost a century ago, that temperature was so close to absolute zero that commercialisation was very restricted.

The Economist

In the D-Wave system, a quantum computing processor, made from a lattice of tiny superconducting wires, is chilled close to absolute zero.

The New York Times - Tech

Human-verified similar examples from authoritative sources

Similar Expressions

26 human-written examples

But that may be because the equipment used to chill the experimental setup must be improved to get closer to absolute zero, where the signal for Majoranas should be the strongest.

Science Magazine

Saddam has anywhere from fifteen hundred to fifteen thousand troops he could count on for something close to absolute loyalty.

The New Yorker

Governments have come to believe that their right to rule is close to absolute.

The Guardian

Which acknowledgment may finally be as close to absolute intimacy as any of us can stand.

The New Yorker

This is a system that is very close to absolute mayoral control.

The New York Times

Expert writing Tips

Best practice

When discussing experimental conditions, specify the exact temperature (e.g., 0.1 Kelvin) instead of just stating "close to absolute zero" for better precision.

Common error

Avoid assuming that "close to absolute zero" implies unattainable perfection. While it signifies extremely low temperatures, it doesn't necessarily mean a complete absence of thermal activity or limitations in experiments.

Linguistic Context

The phrase "close to absolute zero" functions as an adjectival modifier, specifying a condition or environment related to temperature. It typically describes the conditions necessary for certain scientific experiments or the properties of materials at extremely low temperatures, as shown by Ludwig.

Expression frequency: Common

Frequent in

Science

46%

News & Media

38%

Encyclopedias

11%

Less common in

Wiki

3%

Reference

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "close to absolute zero" is grammatically sound and commonly used to describe temperatures nearing 0 Kelvin, primarily in scientific and technical contexts. As Ludwig AI confirms, it serves to set the stage for discussions around superconductivity, quantum phenomena, and material properties under extreme cold. The phrase’s formality aligns with its frequent appearance in science journals, news articles covering scientific advancements, and encyclopedia entries. To ensure accuracy and impact, specify exact temperatures when possible and avoid overstating the implications of nearing absolute zero.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

near absolute zero

Replaces "close to" with "near", a direct synonym, maintaining the core meaning.

approaching absolute zero

Uses "approaching" to suggest movement towards absolute zero, implying a process or trend.

at temperatures near absolute zero

Adds "at temperatures" to explicitly specify the context of temperature measurement.

in the vicinity of absolute zero

Employs "in the vicinity of" to denote a general proximity to absolute zero.

around absolute zero

Substitutes "close to" with "around", indicating an approximate temperature range.

temperatures bordering on absolute zero

Uses "bordering on" to convey that the temperature is almost at absolute zero.

extremely low temperatures

Describes the temperatures qualitatively without directly referencing absolute zero.

cryogenic temperatures

Replaces the phrase with a more technical term referring to extremely low temperatures.

ultra-cold temperatures

Uses "ultra-cold" to describe the temperatures, suggesting extreme coldness.

temperatures a few degrees above absolute zero

More specific alternative specifying that the temperature is slightly higher than absolute zero.

FAQs

How is the phrase "close to absolute zero" typically used in scientific contexts?

In scientific writing, "close to absolute zero" describes temperatures that are very near 0 Kelvin (−273.15 °C or −459.67 °F), often required for observing specific quantum phenomena or achieving superconductivity.

What are some alternative ways to express "close to absolute zero"?

You can use phrases such as "near absolute zero", "approaching absolute zero", or "at temperatures near absolute zero" depending on the specific nuance you want to convey.

Is it always necessary to reach temperatures exactly at absolute zero to observe quantum effects?

No, many significant quantum effects can be observed at temperatures "close to absolute zero". Achieving true absolute zero is theoretically impossible, but getting sufficiently close allows for the manifestation of these effects.

What kind of equipment is used to reach temperatures "close to absolute zero"?

Reaching such low temperatures typically involves using cryogenic technologies like dilution refrigerators and helium-3 refrigerators, which employ sophisticated cooling processes to minimize thermal energy.