Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
date of echo
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "date of echo" is not a standard expression in written English and may cause confusion.
It could potentially be used in a specific context related to audio or communication technology, but it is not commonly recognized. Example: "The date of echo for the recorded message was noted for future reference."
Science
News & Media
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
Cox proportional hazards regression analysis was based on 28-day mortality from the date of echo with survivors censored on hospital discharge.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
HONG KONG — Maybe it was just a coincidence, but when the Shanghai Stock Exchange fell 64.89 points on Monday — uncannily echoing the date of the Tiananmen Square crackdown on pro-democracy students on June 4 , 1989 exactly 23 years earlier — the Chinese blogosphere went into a tizzy.
News & Media
The censors had to redouble their efforts on Monday afternoon when the Shanghai stock exchange index closed down by 64.89 points, echoing the 6-4-89 6-4-89 6-4-89assacre.
News & Media
He needed the reputation of Echo".
News & Media
Time of echo.
(b) SPWVD of echo.
TE: Time of echo.
Science
The (RED) Echo is currently listing a release date of December 6 on Amazon, and, as mentioned, it's going for the same price as the other iterations.
News & Media
The Med-Echo database provides details on the date of admission and discharge, primary and secondary diagnoses, and the procedures performed during the hospital stay.
Science
G. Release date: Feb. 1. Stir of Echoes Riding baby boomers' growing apprehension of what awaits them in the next world, David Koepp's film bestows extrasensory gifts on a grown-up and not a child, as was the case in "The Sixth Sense".
News & Media
The date of the Cassiopeia A supernova event was determined from light echoes off nebulae, while the age of supernova remnant RX J0852.0-4622 was estimated from temperature measurements and the gamma ray emissions from the decay of titanium-44.
Wiki
Expert writing Tips
Best practice
When using "date of echo", ensure the context clearly indicates what the echo refers to, as it's not a universally understood phrase. Provide additional clarifying information to avoid ambiguity.
Common error
Don't assume readers will automatically understand "date of echo" without context. Explicitly define what "echo" refers to in your specific domain (e.g., ultrasound, radar, audio analysis) to avoid misinterpretations.
Source & Trust
85%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "date of echo" functions as a noun phrase, typically used to specify the point in time when an echo (in various contexts such as medical imaging, signal processing, or acoustics) was recorded, detected, or analyzed. As Ludwig reports, this term is not a standard expression in written English.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "date of echo" is a noun phrase used to indicate the date associated with an echo, usually in a technical or scientific context. While grammatically sound, Ludwig indicates that it's not a standard expression in written English, making its usage less common. Its purpose is to provide a temporal reference for echo-related data. Given its infrequent usage and potential for ambiguity, it's recommended to provide clarifying context or use more explicit alternatives. The phrase appears more frequently in scientific and news-related articles.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
echo timestamp
Replaces "date of" with "timestamp" to emphasize the precise moment the echo data was recorded.
echo recording date
Specifies that the date refers to when the echo was recorded.
time of echo event
Focuses on the timing of the echo event itself.
date echo was detected
Highlights the date the echo was identified or perceived.
echo signal date
Specifies that it's the date of the echo signal.
echo return date
Highlights the date that the echo returned or was received.
date of the reflected signal
More descriptive; refers to the date of the reflected signal instead of simply "echo".
date of the reverberation
Replaces "echo" with its synonym "reverberation".
time of acoustic reflection
Uses more technical terms to refer to the time of an echo.
date of auditory feedback
Uses "auditory feedback" instead of "echo" to highlight the sensory aspect.
FAQs
What does "date of echo" mean in medical contexts?
In medical imaging, especially echocardiography, the "date of echo" typically refers to the date when the ultrasound examination was performed. It's crucial for tracking changes over time, as mentioned in one of Ludwig's examples related to assessing illness using APACHE III.
What can I say instead of "date of echo" to be more precise?
To be more specific, you can use alternatives like "echo timestamp", "echo recording date", or "time of echo event", depending on the context.
How can I avoid ambiguity when using the phrase "date of echo"?
To prevent confusion, always clarify what the "echo" refers to. For instance, specify "date of the ultrasound echo" or "date of the radar echo" to provide necessary context.
Is "date of echo" considered standard English?
The phrase "date of echo" is not a standard expression in written English and may cause confusion. It's recommended to use more explicit alternatives like "echo timestamp" or "echo date".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
3.8/5
Expert rating
Real-world application tested