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
definite amount of time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "definite amount of time" is correct and usable in written English.
It can be used when specifying a specific, fixed duration for an event or activity. Example: "The project must be completed within a definite amount of time to meet the client's deadline."
✓ Grammatically correct
Science
Wiki
Encyclopedias
Alternative expressions(15)
fixed period of time
specific timeframe
set period of time
defined time interval
precise duration
predetermined time
allocated time
designated timeframe
real amount of time
substantial amount of time
defined amount of time
definite period of time
finite amount of time
undetermined amount of time
certain amount of time
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
3 human-written examples
Determination of the very small quantities of radium contained in a few grams of a mineral, or a few litres of mineral water, is made by measuring the quantity of radon it produces in a definite amount of time.
Encyclopedias
A real time system is a reactive system, which responds to an input within a definite amount of time (Olderog and Dierks 2008).
Within this pilot exploratory study, both questionnaires will be given to the patients at different time points during their treatment in order to assess when the questionnaires should be used, i.e., prior to starting a treatment or after a definite amount of time.
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
If you need to loop a definite amount of times, you need a for loop.
Wiki
Some people might need a definite amount of infinite time, while others might need an infinite amount of definite time.
News & Media
In each experiment run, the siphon box is filled with definite amount of flushwater e.g. 500 ml or 1000 ml to be discharged as one time batch instead of controlling the time of flow.
Science
A definite amount of energy is required to reverse such a magnet.
Encyclopedias
The key concept is that heat is a form of energy corresponding to a definite amount of mechanical work.
Encyclopedias
Hydrochloric acid (20 wt%) was heated to 100 °C and definite amount of gypsum was added.
Ground sal flower petal was mixed thoroughly with definite amount of calcium chloride.
Science
A definite amount of SF was added to a certain volume of 0.1 M of each metal ion.
Science
Expert writing Tips
Best practice
In technical writing, use "definite amount of time" to highlight the importance of adhering to a precise schedule, especially in scientific experiments or engineering tasks.
Common error
Avoid using "definite amount of time" in casual conversations or informal writing where simpler phrases like "specific time" or "fixed duration" would be more appropriate.
Source & Trust
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "definite amount of time" functions as an adverbial phrase modifying a verb or clause, specifying the duration or timeframe within which an action or event occurs. It provides a temporal boundary or limit, as evidenced by Ludwig.
Frequent in
Science
33%
Wiki
33%
Encyclopedias
33%
Less common in
News & Media
0%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "definite amount of time" is used to specify a fixed or clearly defined duration for an event or activity. Ludwig AI confirms its grammatical correctness. Although the phrase appears less frequently, it is utilized across various contexts like science, wikis, and encyclopedias to eliminate ambiguity and ensure that timeframe is clearly understood. When writing, it is best to reserve "definite amount of time" for situations that require precision, such as technical instructions or scientific procedures. In more informal settings, alternatives such as "fixed time period" or "specific timeframe" might be more fitting.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
fixed time period
Emphasizes the established or unchangeable nature of the duration.
specific timeframe
Highlights that the time is particularly pointed out or clearly stated.
determined duration
Focuses on the act of deciding or establishing how long something will last.
set period of time
Suggests a duration that has been pre-arranged or scheduled.
exact time span
Conveys greater precision in specifying the duration.
defined time interval
Implies that the time is part of a larger sequence or has clear start and end points.
precise duration
Highlights the accuracy and lack of ambiguity in the time measurement.
predetermined time
Stresses that the time was decided in advance.
allocated time
Suggests that the time has been designated for a particular purpose.
designated timeframe
Implies that the period has been selected for a certain purpose or activity.
FAQs
How can I use "definite amount of time" in a sentence?
You can use "definite amount of time" to specify a precise duration for an activity, such as, "The experiment must be conducted over a "definite amount of time" to ensure accurate results."
What are some alternatives to "definite amount of time"?
Alternatives to "definite amount of time" include "fixed time period", "specific timeframe", or "determined duration", depending on the context.
When is it appropriate to use "definite amount of time" in writing?
It is appropriate to use "definite amount of time" when precision and clarity are needed, such as in scientific reports, legal documents, or technical instructions. In more casual contexts, simpler phrases may suffice.
What is the difference between ""definite amount of time"" and "specific timeframe"?
"Definite amount of time" emphasizes a fixed duration, while "specific timeframe" highlights a clearly stated or pointed out time period. The choice depends on whether the focus is on the fixed nature of the duration or the clarity of its specification.
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
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested