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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
combined since
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "combined since" is not standard in written English and may lead to confusion.
It could be used in contexts where you want to indicate that two or more elements have been brought together from a certain point in time, but it is not commonly used. Example: "The data sets have been combined since the last update to improve accuracy."
Science
News & Media
Wiki
Encyclopedias
Formal & Business
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
not yet completed
to avoid disruption
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
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
Combined since 1826 with the Gobelins factory, the firm still operates.
Encyclopedias
"It's more than I've made combined since I started working when I was 15 years old," he said.
News & Media
More people have died in this year's epidemic in West Africa than in all previous Ebola outbreaks combined since the virus was first discovered in 1976.
News & Media
More than 6,500 veteran suicides are logged every year — more than the total number of soldiers killed in Afghanistan and Iraq combined since those wars began.
News & Media
Brodeur has now played 60,340 minutes, about 7,000 shy of the total for the rest of the Devils' goalies combined since the club moved to New Jersey from Colorado in 1982.
News & Media
A recent report from Bloomberg New Energy Finance showed that, as costs plummet, global new low carbon energy capacity has outstripped new coal, gas and oil combined since 2013.
News & Media
The undertaking will be expensive and difficult to pull off, but in the past month alone the government has enabled 519 hospitals and clinics to dispense AIDS medicines, more than it had in all the years combined since South Africa began providing antiretroviral drugs to its people in 2004, South African health officials said.
News & Media
The sections on fertility, pregnancy and lactation would be combined, since they are a continuum.
Sixty-one colleges have supported more than 160 scholars and fellows, combined, since the program was established in 1987.
Science & Research
For ratio methods, results are also reported as combined, since the genotype effect is mostly cancelled out.
Science
HRQoL response scores 2 and 3 are combined since there are not so many counts of events with either a score of 2 or a score of 3 relative to the other scores.
Science
Expert writing Tips
Best practice
When using "combined since", ensure the context clearly indicates what elements are being joined and the point in time from which they have been together.
Common error
Avoid using "combined since" if the elements being combined or the time frame are unclear. Ensure the sentence provides sufficient context to prevent confusion about what is being combined and from which point in time.
Source & Trust
81%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "combined since" functions as a conjunction, linking the idea of a combination or merging with a specific point in time. As Ludwig indicates, while grammatically acceptable, it may not always be the most common or elegant choice.
Frequent in
Science
43%
News & Media
30%
Wiki
9%
Less common in
Encyclopedias
4%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
In summary, "combined since" is a phrase used to indicate that two or more elements have been merged from a specific point onward. As Ludwig highlights, this phrase is grammatically acceptable, although not always the most stylistic choice and can potentially create ambiguity. Common in scientific and news contexts, it signifies a joining of entities from a particular time. Alternatives like "merged from" or "integrated after" may offer greater clarity in certain situations. Ensure clear context when using the expression to avoid ambiguity about what and since when the two elements have been grouped.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
consolidated since
Implies a strengthening or stabilization resulting from the combination.
merged from
Emphasizes the act of merging rather than the continuing state.
joined from
Simple alternative, focusing on the act of joining.
integrated after
Highlights the integration process happening at a specific point.
united after
Focuses on the act of becoming one entity after a certain time.
amalgamated from
Suggests a blending of elements, focusing on the resulting mixture.
grouped since
Focuses on the act of forming groups since a specific point.
pooled from
Highlights the collective aspect of combining resources or data.
coupled from
Suggests a linking or association that has existed from a particular time.
lumped together from
Informal, implying a grouping for convenience or simplification.
FAQs
How can I use "combined since" in a sentence?
Use "combined since" to indicate that two or more things have been joined together from a specific time onwards. For example: "The two departments have been "merged from" last quarter to improve efficiency".
What are some alternatives to "combined since"?
Depending on the specific nuance you want to convey, consider alternatives like "integrated after", "amalgamated from", or "joined from".
Is "combined since" grammatically correct?
While "combined since" can be grammatically acceptable, it's not always the most common or elegant phrasing. Consider whether a more direct or active construction might be clearer, such as "The data has been "pooled from" various sources after the revision".
What's the difference between "combined since" and "grouped since"?
"Combined since" generally suggests a more permanent merging of elements, whereas "grouped since" implies a potentially temporary or looser association. "Grouped since" highlights the act of assembling together at a certain time. Example: The two classes have been "lumped together from" September.
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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
81%
Authority and reliability
3.8/5
Expert rating
Real-world application tested