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
it was decelerated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it was decelerated" is correct and usable in written English.
It can be used in contexts where something is slowed down or reduced in speed, often in technical or scientific discussions. Example: "The vehicle was traveling too fast, so it was decelerated to ensure safety."
✓ Grammatically correct
Science
News & Media
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
After the monkey achieved fixation of the target (determined by a fixation window), the chair was accelerated (0.26 g) to a speed of 40 cm/s, then moved at constant speed for 320 ms, after which it was decelerated to a stop (0.20 g).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Signals from the craft indicated it was decelerating as expected and that the parachute had indeed deployed.
News & Media
Ivonne Dersch, 28, a marketing executive at American Express, had to abandon her home birth in TriBeCa after a routine check of the baby's heart rate showed it was decelerating.
News & Media
When the robot is approaching a moving obstacle in the field, it is decelerated and deviated to another Bezier path leading to the estimated target position.
"When demand for mortgage debt is accelerating, house prices rise; when it is decelerating, house prices fall," he says.
News & Media
"What the market told us in September is that investors are beginning to get concerned that even though the rate of economic expansion is still above trend line, it is decelerating, and may produce more earnings disappointments than analysts expect," said Byron R. Wien, United States equity strategist at Morgan Stanley Dean Witter.
News & Media
If the vehicle picks nvL, then it is accelerating; otherwise, it is decelerating by picking nvS.
"It is decelerating, but it's not falling out of bed," says Nariman Behravesh, the chief economist at Global Insight, an economic forecasting firm in Lexington, Mass.
News & Media
If x > 1 then the cost is accelerating, if x = 1 then it is linear, whereas if x < 1 then it is decelerating.
Science
I learned that I was decelerating my putter head.
News & Media
However, while the rate of O6-EtGua elimination from DNA was decelerated it was not abolished, suggesting the possible involvement of additional repair systems that might be co-regulated with AT.
Science
Expert writing Tips
Best practice
When using "it was decelerated" in technical writing, ensure the context clearly indicates what "it" refers to, and specify the units of deceleration if relevant.
Common error
Avoid using "it was decelerated" when the subject is plural. For instance, instead of "the cars was decelerated", use "the cars were decelerated".
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was decelerated" functions as a passive construction, indicating that something underwent a reduction in speed due to an external force or action. Ludwig confirms the usability of this phrase.
Frequent in
Science
50%
News & Media
43%
Wiki
7%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "it was decelerated" is a grammatically correct and frequently used passive construction, primarily found in scientific, news, and formal business writing. According to Ludwig, it's suitable for describing a reduction in speed caused by an external force. Key considerations include ensuring subject-verb agreement and understanding the context for appropriate usage. While "it slowed down" is a more general alternative, "it was decelerated" implies a controlled slowing, making it apt for technical and formal settings. Therefore, when precision and formality are paramount, "it was decelerated" is a valuable choice.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it slowed down
Focuses on the reduction of speed.
its speed was reduced
Highlights a decrease in velocity.
it was slowed
A more concise way of saying the speed was lessened.
the rate decreased
Emphasizes a reduction in the pace or tempo.
it experienced deceleration
Uses a noun form to denote the process of slowing down.
its momentum lessened
Refers to a decrease in the force of movement.
it underwent retardation
Employs a formal term for slowing down or delaying.
its progress was impeded
Focuses on hindering forward movement.
it came to a slower pace
Implies a transition to a less rapid speed.
it diminished in velocity
Highlights the reduction in speed using formal language.
FAQs
How can I use "it was decelerated" in a sentence?
You can use "it was decelerated" to describe something that has slowed down. For example, "After the engine malfunctioned, "it was decelerated" to prevent further damage".
What's the difference between "it was decelerated" and "it slowed down"?
"It slowed down" is a more general term for a reduction in speed. "It was decelerated" often implies a controlled or measured reduction in speed, frequently in technical contexts.
Is it more formal to say "it was decelerated" than "it slowed down"?
Yes, ""it was decelerated"" is generally considered more formal and is often used in scientific or technical writing, while "it slowed down" is more informal and common in everyday language.
Which is correct, "it was decelerated" or "it decelerated"?
"It decelerated" indicates the subject performed the action of slowing down itself, while ""it was decelerated"" suggests an external force or action caused the subject to slow down.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested