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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
approximately every two seconds
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "approximately every two seconds" is correct and usable in written English.
It can be used to describe a frequency or interval of occurrence that is close to two seconds. Example: "The lights flickered approximately every two seconds, creating an unsettling atmosphere in the room."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
every two seconds
once every two seconds
approximately every two days
approximately every quarter
approximately two kilos of
every two years
approximately two months
every two days
every two hours
every few seconds
approximately one in every
every ten seconds
approximately every month
every two slots
every two cycles
approximately two weeks
every couple of seconds
every two periods
every two moments
every two courses
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
But now, when the Republicans try to argue against the bill, they'll be reminded approximately every three seconds that their party's alternative is to dump the whole program in favor of a new plan that is yet to be named.
News & Media
He was dehydrated and bleeding from various places when he finished, having shot some 6,000 shells-which works out to pulling the trigger approximately every five seconds for eight straight hours.
News & Media
Every year, one million people die by suicide worldwide, and approximately every forty seconds there is a suicide attempt [1].
Science
These occurred at times in a quasi periodic fashion approximately every five seconds throughout the recording.
Science
The agglutination slide was gently tilted backwards and forwards approximately once every two seconds for two minutes.
Kothari today shared with TechCrunch that over the course of 2011, Pulse went from 1 million downloads to over 11 million, and are currently averaging approximately one download every two seconds, and 1.5 million every month.
News & Media
This works out to approximately once every eight seconds.
News & Media
Wired's Matt Blum suggests, "If feelings were LEGO sets, my love for you would be the Death Star". And that universal understanding comes from two distinct sources: the global availability of the toy (approximately one LEGO set is sold every seven seconds) and the composition of LEGO set instructions.
News & Media
This means that approximately one out of every four ninth graders won't graduate high school.
News & Media
"She lasted approximately two seconds on the adoption floor," said Novotny.
News & Media
The wedding night lasted approximately two seconds, by Harris's estimation.
News & Media
Expert writing Tips
Best practice
Enhance clarity by specifying what action occurs approximately every two seconds. For example: 'The machine pulsed approximately every two seconds.'
Common error
Avoid using "approximately every two seconds" when a more precise measurement is available or necessary. If the interval is consistently exact, use "every two seconds" instead.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "approximately every two seconds" functions as an adverbial phrase, modifying a verb or clause to indicate the frequency or interval at which an action occurs. As Ludwig AI indicates, it describes a recurring event within a specific timeframe.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "approximately every two seconds" is a grammatically correct and usable adverbial phrase that indicates events occurring at short, recurring intervals. Ludwig AI confirms its appropriateness in various contexts. While not extremely common, it finds use in both scientific and news-related content. Alternatives like "roughly every two seconds" or "about every two seconds" can provide a slightly different nuance. Remember to prioritize precision when available, but don't hesitate to use "approximately every two seconds" when an estimation suffices.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
roughly every couple of seconds
Replaces "approximately" with "roughly" and "two" with "couple of", slightly altering the level of precision.
about every two seconds
Substitutes "approximately" with "about", providing a less formal tone while maintaining similar meaning.
nearly every two seconds
Replaces "approximately" with "nearly", suggesting the interval is very close to two seconds.
almost every two seconds
Similar to "nearly", "almost" indicates a slight deviation from the two-second interval.
at intervals of approximately two seconds
Restructures the phrase to emphasize the interval between occurrences.
every two seconds, give or take
Adds "give or take" for a more casual expression of approximation.
around every two seconds
Uses "around" in place of "approximately", providing a more casual approximation.
at roughly two-second intervals
Combines "roughly" with a noun phrase emphasizing the intervals.
virtually every two seconds
Uses "virtually" instead of "approximately" which means very close to or nearly.
in cycles of roughly two seconds
Rephrases the original to convey the occurence in cycles.
FAQs
How can I use "approximately every two seconds" in a sentence?
You can use "approximately every two seconds" to describe events that occur at short, recurring intervals, such as "The light flickered approximately every two seconds" or "The sensor updated its readings approximately every two seconds".
What is a less formal way to say "approximately every two seconds"?
Alternatives include "about every two seconds" or "roughly every two seconds", which are suitable for more casual contexts.
Is it appropriate to use "approximately every two seconds" in scientific writing?
Yes, "approximately every two seconds" is acceptable in scientific writing when an exact measurement isn't necessary or available. However, consider providing a more precise range if possible.
What's the difference between "approximately every two seconds" and "exactly every two seconds"?
"Approximately every two seconds" implies a slight variation in the interval, while "exactly every two seconds" suggests a precise and consistent timing. Choose the phrase that accurately reflects the observed frequency.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested