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
prior to time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "prior to time" is not correct and does not convey a clear meaning in written English.
It is generally redundant, as "prior" already implies a relation to time. Example: "The project must be completed prior to time constraints being imposed."
⚠ May contain grammatical issues
Science
Academia
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
48 human-written examples
This cryopreservation technique could be applied for hard tissue reconstruction to ease the cell preparation method prior to time of use.
Science
Recall from §5.3 that any LTI filter having a zero impulse response prior to time 0 is said to be causal.
Academia
Note that, mathematically, our solution specifies that the mass position is zero prior to time 0. Since we are using the unilateral Laplace transform, there is really ''no such thing" as time less than zero, so this is consistent.
Academia
In both cases the data were time weighted: therefore, tracked data which yielded instantaneous velocities were averaged prior to time weighting to allow for an easier comparison between the two data sets as velocities stemming from kymograph evaluation are inherently averaged.
Science & Research
If you plan to study abroad before your possible admission into Haas, please review the information on Course Selection for your appropriate program (EAP or Independent Study). If you plan to study abroad the Spring semester before your start at Haas, you MUST complete all admission requirements prior to time abroad.
According to the experimental definition of probability suppose that N shows pieces of equipment, Nf shows pieces of equipment in which is not succeed prior to time a, since only breakdown prior to time a is related with losses.
Human-verified similar examples from authoritative sources
Similar Expressions
12 human-written examples
The dissociated neuron culture was incubated at 25 °C in 80% relative humidity and constant darkness for 2 days prior to time-lapse imaging.
Science & Research
The cultured brains were kept at 25 °C in 80% relative humidity and in the dark for a few hours prior to time-lapse imaging to allow the brains to set.
Science & Research
However, properties of these new machinable materials, such as fracture load, wear, marginal deterioration, and color stability, should be investigated in vitro under replicated clinical conditions prior to time-consuming clinical studies.
Mixed neurospheres were passaged weekly for at least two weeks prior to time-lapse imaging.
Science
Phase images were obtained at 5x, 10x, and 20× prior to time-lapse imaging to register microglial imaging referable to the CA3 pyramidal neuron layer.
Science
Expert writing Tips
Best practice
When describing temporal relationships, opt for concise alternatives like "before" or "earlier than" instead of the wordy and somewhat redundant phrase "prior to time".
Common error
Avoid using "prior to time" in formal writing. It is often seen as unnecessarily verbose and can be replaced with shorter, clearer options that improve readability.
Source & Trust
81%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "prior to time" functions as a prepositional phrase indicating a temporal relationship. However, it's often considered redundant, as "prior" already implies a time aspect. As Ludwig AI indicates, the phrase may not be correct and clear. Use of the term is generally redundant, as “prior” already implies a relation to time.
Frequent in
Science
60%
Academia
24%
News & Media
8%
Less common in
Wiki
8%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, while the phrase "prior to time" appears in various contexts, especially in science and academia, it's generally considered redundant and grammatically questionable. As Ludwig AI highlights, the phrase is not correct, and its use is generally redundant. Simpler alternatives like "before", "earlier than", or "ahead of" often provide greater clarity and conciseness. Opting for these alternatives enhances readability and avoids unnecessary verbosity, particularly in formal writing. Although common, replacing "prior to time" with more succinct options elevates the quality and precision of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Before
A more concise and direct synonym.
Preceding
A simpler and more elegant word.
Ahead of
Implies being in front of a certain point in time.
Previous to
A more formal, yet still somewhat redundant, alternative.
Earlier than
Directly compares two points in time.
Up until
Indicates a duration or period leading to a specific moment.
Leading up to
Emphasizes the period preceding an event.
In advance of
Highlights preparation or anticipation.
In anticipation of
Focuses on expecting something before it happens.
Antecedent to
A very formal and less common synonym.
FAQs
What can I say instead of "prior to time"?
You can use alternatives like "before", "earlier than", or "ahead of" depending on the context.
Is it grammatically correct to use "prior to time"?
While commonly used, "prior to time" is often considered redundant because "prior" already implies a temporal relationship. Using simpler alternatives enhances clarity.
How can I make my writing more concise when expressing time relationships?
Instead of using phrases like "prior to time", opt for single-word alternatives such as "before" or "previously" to reduce wordiness.
What's the difference between "prior to" and "prior to time"?
"Prior to" is a concise and widely accepted preposition meaning "before". Adding "time" makes the phrase redundant and doesn't add any semantic value. It's generally better to stick with just "prior to" or even shorter alternatives.
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
81%
Authority and reliability
3.2/5
Expert rating
Real-world application tested