time dilation

USAGE SUMMARY

The phrase "time dilation" is correct and usable in written English.
It is typically used in the context of physics, particularly in discussions about the effects of relativity on time as experienced by observers in different frames of reference. Example: "According to Einstein's theory of relativity, time dilation occurs when an object approaches the speed of light, causing time to pass more slowly for that object compared to a stationary observer."

✓ Grammatically correct

Academia

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

See also time dilation.

Encyclopedia Britannica

Time dilation in quantum systems and decoherence.

Nature

Postulates of relativity, simultaneity, time dilation.

Stanford University

But is it enough for this time dilation?

The Guardian - Film

That's because of relativistic "time dilation", as explained here.

Cornell University

fully illustrate time dilation because of the clock paradox.

Princeton University

QUESTION FROM MIKEL: what about the seemingly time dilation that may occur during conscious dying?

The New Yorker

"Another effect that is predicted by general relativity is the phenomenon known as gravitational time dilation.

The Guardian

The time dilation can be minimized if the atom's velocity is reduced substantially.

Britannica

Pikovski, I., Zych, M., Costa, F. & Brukner, Č. Universal decoherence due to gravitational time dilation.

Nature

Zych, M. Quantum Systems under Gravitational Time Dilation (Springer, Cham, 2017).

Nature

Expert writing Tips

Best practice

When discussing "time dilation", clearly specify the frames of reference being compared to avoid ambiguity. For instance, clarify which observer's time is considered 'normal' and which is dilated.

Common error

Avoid using "time dilation" to describe subjective feelings of time passing quickly or slowly (e.g., 'Time dilated during the boring lecture'). "Time dilation" is a specific physical phenomenon related to relativity, not a general term for altered time perception.

Linguistic Context

The phrase "time dilation" functions primarily as a noun phrase. It represents a scientific concept describing the phenomenon where time passes differently for observers in relative motion or different gravitational potentials. Ludwig indicates that it is commonly used in various contexts.

Expression frequency: Very common

Frequent in

Academia

30%

Science

30%

News & Media

20%

Less common in

Encyclopedias

10%

Wiki

5%

Formal & Business

5%

Ludwig's WRAP-UP

In summary, "time dilation" is a well-established term in physics referring to the slowing of time for an object in motion or within a gravitational field relative to another observer. Ludwig confirms its frequent usage across academic, scientific, and news media sources. While grammatically correct, it's crucial to use the term precisely, avoiding confusion with subjective time perception. The analysis suggests that while this concept is mainly used in formal and scientific settings, it also appears in general media, signaling its broad relevance.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

temporal distortion

Focuses on the alteration of time, whether real or perceived, rather than the specific relativistic effect.

relativistic time effect

Highlights the cause of time variation as rooted in relativity theory.

gravitational time delay

Specifically refers to time changes caused by gravity, narrowing the scope.

temporal relativity

Emphasizes the dependence of time's measurement on the observer's frame of reference.

time contraction

Highlights the shortening of time intervals in relative motion.

slowing of time

Describes the perceived experience of time passing more slowly.

temporal variation

General term that indicates time is not constant.

time warp

A more fantastical and less scientific term for significant time alterations.

subjective time

Emphasis on the individual perception of the duration of time.

perceived time

Highlights the psychological aspect of how time feels to an individual.

FAQs

How does "time dilation" work?

"Time dilation" occurs due to the effects of relative motion (special relativity) or gravity (general relativity). In special relativity, the faster an object moves relative to an observer, the slower time passes for that object. In general relativity, the stronger the gravitational field, the slower time passes.

What are some real-world examples of "time dilation"?

One example is the operation of GPS satellites, which experience both special and general relativistic "time dilation". These effects must be accounted for to ensure accurate positioning. Another example is the behavior of muons, subatomic particles, which appear to live longer due to "time dilation" when traveling at high speeds.

Is "time dilation" just a theoretical concept?

No, "time dilation" is an experimentally verified phenomenon. Experiments involving atomic clocks on airplanes and observations of cosmic rays have confirmed the predictions of both special and general relativity regarding "time dilation".

What's the difference between "time dilation" and "time travel"?

"Time dilation" refers to the slowing down of time for an object in motion or in a strong gravitational field relative to a stationary observer. "Time travel", conversely, refers to the hypothetical concept of moving backward or forward to different points in time, which is distinct from the relative slowing of time described by "time dilation".