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
concrete time
Grammar usage guide and real-world examplesUSAGE SUMMARY
"concrete time" is a correct and usable phrase in written English.
It refers to a specific, measurable period of time, as opposed to a general or abstract one. Example: "The project must be completed within a concrete time frame of six months, or else it will be considered a failure."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(20)
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
19 human-written examples
It had no "concrete time frame" for finding and buying properties to develop and was "unnecessarily vague on the whole".
News & Media
This C/NC course is designed to help students map out a concrete time line for their thesis work.
Academia
This course is designed to help students understand the research process and map out a concrete time line for their thesis work.
Academia
And the first opportunity, the first concrete time, opportunity that came up was with respect to Mr. Griffin in the Eastern District of Arkansas.
News & Media
He praised NATO's decision this week to put off granting Ukraine and Georgia a concrete time frame for joining the alliance.
News & Media
Cellular concrete time lag increases by 6.23% for 0.02 m air space thickness compared to the conventional composite wall without air space.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
It's early days yet, so no concrete time-frame beyond "Summer" is known.
News & Media
But to extrapolate from that very specific template and infer that artists create "worse art" during supposedly concrete times of suffering seems wrong.
News & Media
Using concrete times like 11 00 p.m. and 8 00 a.m. creates confusion and goes against the AAP's goal of educating the community properly about sleep science.
News & Media
He is hustling, all the time, and he is also at the mercy of his clients, which means I can no longer anticipate concrete times and days of the week that he'll be home.
News & Media
They agreed to 21 concrete, time-bound goals for children, and to a basic framework for getting there.
Formal & Business
Expert writing Tips
Best practice
When using "concrete time", ensure that the context provides sufficient information for the audience to understand the specific timeframe being referenced. Avoid vague terms like "soon" or "later" without further clarification.
Common error
Avoid pairing "concrete time" with other abstract or ambiguous temporal expressions. For instance, saying "the project will be completed in a concrete time, hopefully sometime next year" undermines the specificity that "concrete time" implies.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "concrete time" functions as a noun phrase modifying a noun, often to specify the nature of a time frame. As shown in Ludwig, it characterizes time as specific and measurable.
Frequent in
Science
30%
News & Media
30%
Formal & Business
20%
Less common in
Academia
10%
Encyclopedias
5%
Wiki
5%
Ludwig's WRAP-UP
In summary, "concrete time" is a grammatically correct noun phrase used to denote a specific and measurable time period. Ludwig AI confirms its validity and provides real-world examples across various contexts, including science, news, and business. While not exceedingly common, the phrase serves to emphasize clarity and tangibility when referencing time. Alternatives such as ""specific time"" or ""exact time"" can be used depending on the desired nuance. Remember to avoid pairing "concrete time" with abstract temporal references to maintain clarity and precision in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
specific time
Replaces "concrete" with "specific", emphasizing clarity and precision in temporal reference.
definite time
Uses "definite" to highlight the fixed and certain nature of the time period.
exact time
Emphasizes the pinpoint accuracy of the time in question.
precise time
Similar to "exact time", stressing the lack of ambiguity.
tangible time
Focuses on the palpable or measurable aspect of the time frame.
fixed time
Highlights the immutability and established nature of the time.
determined time
Suggests that the time has been decided upon and set.
scheduled time
Implies that the time is part of an organized plan or timetable.
measurable time
Highlights the quantifiable aspect of the time.
palpable time
Focuses on the noticeable or easily perceived element of the time period.
FAQs
How can I use "concrete time" in a sentence?
You can use "concrete time" to emphasize that a specific, measurable duration is being considered. For example, "We need to establish a "specific timeframe" for completing each phase of the project."
What's a good alternative to "concrete time"?
Alternatives include "specific time", "definite time", or "exact time". The choice depends on the nuance you wish to convey.
Is "concrete time" formal or informal?
The phrase "concrete time" is suitable for both formal and informal contexts, although it is most commonly used in professional and academic settings where clear communication is essential.
When is it best to avoid using "concrete time"?
Avoid using "concrete time" when discussing abstract or theoretical concepts where precise measurement isn't applicable. In such cases, more general terms might be more appropriate.
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
4.1/5
Expert rating
Real-world application tested