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
timing of appearance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "timing of appearance" is correct and usable in written English.
It can be used when discussing the specific moment or schedule when something is expected to be seen or occur. Example: "The timing of appearance for the new product launch is crucial for maximizing market impact."
✓ Grammatically correct
Science
News & Media
Alternative expressions(3)
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
17 human-written examples
Ossification centres of the first and second cervical vertebrae follow a predictable sequence and timing of appearance and fusion [9, 10] (Figs. 1c,d and 2).
Science
Nevertheless, the total of pathologies in the treated animals remained always greater than in the controls even this Table 2. Critics (including VIB) fail to discuss the timing of appearance of tumours in Figure 2. It is the timing of appearance of tumours that, to me, is significant and should not be overlooked.
Recently (Fani et al. 2007), the amino acid sequences of all the available His proteins have been analyzed for (1) gene structure, (2) phylogenetic distribution, (3) timing of appearance, (4) horizontal gene transfer, (5) correlation with gene organization, and (6) biological significance.
In fact, there was no difference in timing of appearance of symptoms between the two genotypes (data not shown).
Science
In addition, our results show that sik1 specifically regulates the appearance of cardiac cells, since the timing of appearance of neurons is not affected by sik1 deficiency.
Science
Although the exact timing of appearance of PC/ASC between mice and humans are unlikely to be the same, our study emphasises the need for proper study design when peripheral blood is used.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
We also did not find any relationship between gametocyte density and the risk of 28-day relapse, or timing of gametocyte appearance and time to Pv relapse.
Science
An earlier version of this article referred incorrectly to the timing of an appearance Ivanka Trump made on "Good Morning America". The appearance came shortly after reports that Ms. Trump had used a personal email account for government work, not unrelated reports that Hillary Clinton had.
News & Media
Sharing of the resistant strains would be expected to result in correlated timing of the appearance of the resistant type, with sites where resistance that appeared early in MSM also appeared early in heterosexual men.
Science
The expected number of mutant cells t′ time steps after the appearance of the first mutant cell with a surviving lineage is (3) Although there is stochasticity in the timing of the appearance of the first mutant cell with a surviving lineage, we can achieve a good approximation to the number of mutant cells at time t by setting t′ = t− τ in eqn (3).
Science
And the timing of its appearance could scarcely have been more fortunate.
News & Media
Expert writing Tips
Best practice
When discussing the development of symptoms or the progression of a disease, use "timing of appearance" to clearly indicate when specific symptoms or markers become detectable. For example: "The timing of appearance of fever is a key indicator of infection."
Common error
Avoid using "timing of appearance" when you actually mean the reason or cause for something appearing. "Timing of appearance" refers to when something becomes visible, not why it appears. For instance, say "The cause of the rash was an allergic reaction" instead of incorrectly stating "The timing of appearance of the rash was an allergic reaction."
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "timing of appearance" functions as a noun phrase, typically serving as the subject or object of a sentence. It specifies when something becomes visible or detectable. As demonstrated by Ludwig, this phrase often indicates the chronological aspect of an event.
Frequent in
Science
71%
News & Media
25%
Encyclopedias
4%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "timing of appearance" is a grammatically sound and frequently used noun phrase that specifies when something becomes visible or detectable. As Ludwig AI confirms, it is appropriate in both formal and informal contexts but most commonly seen in scientific and news-related domains. While alternatives like ""time of emergence"" exist, it's crucial to distinguish between when something appears and why it appears to avoid miscommunication. It's important to use the phrase accurately and to avoid using it interchangeably with "cause of appearance".
The phrase's prevalence in scientific articles (such as those found on PlosOne) and news reports underscores its importance for describing the chronology of events or symptoms. This makes it a valuable term to understand and utilize effectively in both technical and general writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
time of emergence
Focuses on the moment something begins to be visible or known.
moment of manifestation
Emphasizes the specific point when something becomes apparent.
schedule of emergence
Highlights the planned or expected sequence of events.
point of visibility
Refers to the precise time when something can be seen.
onset of presentation
Stresses the start or beginning of a display or introduction.
appearance schedule
Inverts the word order, changing the focus slightly but maintaining the core meaning.
chronology of visibility
Highlights the sequence and order in which something becomes visible.
window of manifestation
Implies a range of time during which something is likely to become apparent.
phase of debut
Indicates the stage or period when something is first introduced or shown.
rate of presentation
Highlights the speed at which something is displayed or introduced.
FAQs
What does "timing of appearance" mean?
"Timing of appearance" refers to the specific moment or schedule when something becomes visible, detectable, or known. It emphasizes the chronological aspect of an event or phenomenon.
How can I use "timing of appearance" in a sentence?
You can use "timing of appearance" to describe when certain events or symptoms occur. For example: "The "timing of appearance" of the rash helped doctors determine the diagnosis."
What are some alternatives to "timing of appearance"?
Alternatives include "time of emergence", "moment of manifestation", or "schedule of emergence depending on the context".
Is "timing of appearance" formal or informal language?
"Timing of appearance" is suitable for both formal and informal contexts, though it's frequently found in scientific and technical writing.
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
4.3/5
Expert rating
Real-world application tested