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
at operation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at operation" is correct and usable in written English.
It is typically used to refer to the implementation of a plan or system. For example, "The plan was set in motion and now it is at operation."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
At operation
during the surgery
intraoperatively
in the operating room
during the course of surgery
at the time of the procedure
while undergoing surgery
at execution
at existence
at business
at utilization
at functionality
at function
at exploitation
at performance
at transaction
at implementation
at harvesting
at process
at running
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
60 human-written examples
Many operative notes did not mention specific operative findings but just mentioned 'NF found at operation'.
Science
Mean age at operation was 59 years.
Science
The median age at operation was 3.3 years, and median weight was 13.2 kg.
Academia
At operation the components were found to be well-fixed.
Mean age at operation was 49 years (range 37 59).
At operation, no other metastatic lesions were found.
Science
The median age at operation was 2.5 months (25th, 75th percentile: 0.4, 7).
Academia
I like the vibe at Operation Dagger and 28 HongKong Street.
News & Media
Republican presidential hopeful Ben Carson has a strategy for beating the competition -- at Operation.
News & Media
You can also help this project by stuffing the shoeboxes at Operation Christmas Child's warehouse.
News & Media
Feller's first taste of direct combat was at Operation Galvanic in November 1943.
Wiki
Expert writing Tips
Best practice
When describing findings or actions during a surgery, use "at operation" to clearly indicate the context. For example, "At operation, the tumor was found to be larger than expected."
Common error
Avoid using "at operation" when describing events leading up to the surgery. It's specifically for observations or actions occurring during the procedure itself. Use "before the operation" or "preoperatively" instead to describe the prior context.
Source & Trust
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at operation" functions as a prepositional phrase indicating the circumstance or timing of an observation or action. Examples from Ludwig show its common use in medical and scientific contexts to describe events occurring during surgical procedures.
Frequent in
Science
88%
News & Media
6%
Academia
6%
Less common in
Wiki
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "at operation" is a prepositional phrase primarily used in formal and scientific contexts, especially within the medical field, to indicate events, findings, or actions that occur during a surgical procedure. As Ludwig AI confirms, the phrase is grammatically correct and widely used. It's crucial to use it to describe actions or observations made during the procedure itself, avoiding its use for pre-operative contexts. Alternative phrases like "during the surgery" or "intraoperatively" can be used based on the level of formality required.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
during the surgery
Focuses on the timeframe within the surgical procedure itself.
intraoperatively
A more formal, medical term indicating 'during the operation'.
during the course of surgery
Indicates events happening within the surgical process.
in the operating room
Highlights the location where the surgery is taking place.
at the time of the procedure
Focuses on the timing of the surgical procedure.
while undergoing surgery
Emphasizes the patient's experience of having surgery.
upon surgical intervention
Highlights the moment of surgical intervention.
with surgical management
Implies the context of handling something through surgery.
in surgical settings
Highlights the environment where the operation is conducted.
on the operating table
Specifically refers to the physical location of the patient during surgery.
FAQs
How can I use "at operation" in a sentence?
Use "at operation" to describe observations, findings, or actions taken during a surgical procedure. For example, "At operation, the surgeon discovered unexpected complications."
What's a good alternative to "at operation"?
Alternatives include "during the surgery", "intraoperatively", or "in the operating room" depending on the desired level of formality and the specific context.
Is "at operation" formal or informal?
"At operation" is generally considered neutral to slightly formal, especially in medical or scientific contexts. In more casual settings, using "during the surgery" might be more appropriate.
What information is typically documented when using the phrase "at operation"?
Typically, any unexpected findings, specific surgical techniques employed, or immediate post-operative assessments are documented. This could include the size and location of a tumor, the condition of surrounding tissues, or the patient's response to a particular intervention.
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
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested