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
key occurrence
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key occurrence" is correct and usable in written English.
It can be used to refer to an important or significant event or instance in a particular context. Example: "The key occurrence in the study was the unexpected rise in temperature, which affected the results significantly."
✓ 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
The formation and accumulation of lipid engorged foam cells in the intima of the arterial wall is the key occurrence during the development of atherosclerosis [44].
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Each year, in the final few weeks of December, I'm intrigued by news stories that attempt to summarize the events of the preceding 12 months into key occurrences or overarching themes.
News & Media
The reduction of the germ cell number and the formation of the primordial follicles are the key occurrences in the perinatal ovaries, At 19.5 dpc, most of germ cells were still in cysts and PAR6 began to accumulate in the nuclei of germ cells.
Science
Ordering the structural key by occurrence of bits makes sense because the bits get indexed using composite B-tree indexes.
Science
Certain contextual factors disqualified a key word occurrence from a SUD care designation.
Science
Neuroinflammation is a key pathological occurrence of secondary injury contributing to brain damage after blast injury.
Recent animal models of sepsis have identified anomalies in the extrinsic apoptotic pathway, a key pathological occurrence in sepsis [ 1].
Science
Similar, but morphology-based phylogenies, calibrated by key fossil occurrences, were constructed by Kozlov [ 67], Labandeira et al. [ 68], Grimaldi [ 62], and Grimaldi and Engel [ 21].
Science
There are many factors for which Se plays a role, and these need to be considered when deciding on the optimal human supplementation with dietary Se (or its species) including a key co-occurrence in vitamin E and other antioxidants but also other mineral constituents such as hazardous As, Cd, and Hg (Jarzyńska and Falandysz 2011a, b).
This session was designed to present the key elements of occurrence management that includes a process for detecting and documenting occurrences, classifying them for analysis, and correcting the problems they represent.
Science
Lack of calcium is a key factor for occurrence of osteoporosis.
Science
Expert writing Tips
Best practice
When using "key occurrence", ensure the context clearly establishes why the occurrence is significant. Provide supporting details to emphasize its importance.
Common error
Avoid using "key occurrence" for trivial events. Reserve this phrase for instances with substantial impact or influence.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key occurrence" functions primarily as a noun phrase, identifying a specific event or factor that is of significant importance. As Ludwig AI exemplifies, it appears in various contexts to pinpoint crucial moments or elements. It's grammatically sound and readily usable.
Frequent in
Science
75%
News & Media
17%
Formal & Business
8%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "key occurrence" is a noun phrase used to emphasize the significance of a specific event or factor. While grammatically correct, its usage is relatively rare and primarily found in scientific and news-related contexts. Ludwig AI analysis confirms its correct usage in identifying crucial elements or moments. When writing, ensure the context supports the emphasis implied by the phrase, reserving it for events with substantial impact. Consider alternatives like "significant event" or "crucial incident" for nuanced variations. The frequency of its "key occurrence" is critical to further diagnosis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
significant event
Replaces "occurrence" with "event", emphasizing the importance of what happened.
crucial incident
Substitutes "key" with "crucial" and "occurrence" with "incident", highlighting a critical event.
major development
Replaces the entire phrase to focus on a significant advancement or unfolding.
primary factor
Shifts focus to a main contributing element instead of an event.
pivotal moment
Highlights a turning point or decisive instance.
essential aspect
Focuses on a fundamental component or characteristic.
cornerstone event
Emphasizes that the event is fundamental or foundational.
central episode
Highlights an event that is of main or prime importance.
critical juncture
Highlights an important point in time, especially where a decision has to be made.
decisive happening
Emphasizes that the happening determines the further course of events.
FAQs
How can I use "key occurrence" in a sentence?
Use "key occurrence" to highlight a significant event or factor within a specific context. For example, "The "key occurrence" in the study was the unexpected data point."
What are some alternatives to "key occurrence"?
Consider using alternatives like "significant event", "crucial incident", or "major development" depending on the specific nuance you want to convey.
Is "key occurrence" too formal for general conversation?
While "key occurrence" is suitable for formal writing, in casual conversation, simpler terms like "important event" or "main thing" might be more appropriate.
How does "key occurrence" differ from "important event"?
"Key occurrence" often suggests a higher degree of influence or criticality compared to a general "important event". It implies that the occurrence is essential or pivotal in some way.
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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested