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
block time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "block time" is a correct and usable phrase in written English.
You can use the phrase "block time" to refer to a period of time that has been set aside for a particular purpose. For example: "We blocked an hour of time for our weekly team meeting".
✓ Grammatically correct
Science
News & Media
Wiki
Formal & Business
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
53 human-written examples
At Success Academy Springfield Gardens, I spent part of a morning observing a group of kindergartners at block time.
News & Media
Kindergartners spend part of every day having "block time," in which students collaborate on building structures with wooden blocks of various shapes and sizes.
News & Media
In each block time, WPT slot represents the first α i T of block time while the WIT slot stands for the rest of (1−α i )T of block time.
Time 1, baseline; time 2, with twin block; time 3, with wraparound.
Science
This means that and are not changed during the block time.
Fig. 2 Block time T for full-duplex dual hop relaying systems.
Human-verified similar examples from authoritative sources
Similar Expressions
7 human-written examples
Figure 6 Results of block time-step simulations with a sixth order hermite code.
Now we inspect the performance of Sapporo2 in combination with a block time-step algorithm.
The library computes the gravitational force on particles that are integrated with block time-step algorithms.
The chosen time-step criteria is critical when performing block time-step simulations.
To test the performance of the multi-GPU implementation for block time-step simulations with Sapporo2 we use a sixth order Hermite integrator with block time-steps (Fujii et al. 2012; Nitadori and Makino 2008).
Expert writing Tips
Best practice
In a professional setting, clarify if you are referring to a calendar appointment or a general duration of work.
Common error
Avoid using "block time" when you actually mean the productivity method known as "time blocking". While "block time" is the result (the specific period), "time blocking" is the active process of scheduling your day.
Source & Trust
86%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
In linguistic terms, "block time" acts as a compound noun phrase. According to Ludwig AI, it often functions as the direct object of verbs like "calculate", "adjust" or "reserve". In technical literature, it frequently appears as a subject in passive constructions regarding measurements of duration.
Frequent in
Science
55%
News & Media
25%
Formal & Business
15%
Less common in
Wiki
3%
Social Media
1%
Encyclopedias
1%
Ludwig's WRAP-UP
The phrase "block time" is a versatile and correct term in English, as confirmed by Ludwig AI. It spans several distinct fields: in Science, it refers to technical intervals in communications or medical recovery; in Technology, it denotes the speed of blockchain reconciliations; and in Business, it signifies a dedicated period for tasks. With a high frequency in authoritative sources like The New Yorker and ScienceDirect, writers can use it confidently in both technical and professional contexts. Always ensure that the context clearly indicates whether you are discussing a measured duration or a scheduled appointment.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
time blocking
Refers to the act of planning one's day rather than the specific period itself
allocated time
More formal and suitable for business resource management
scheduled slot
Emphasizes the position within a calendar or sequence
block duration
Used specifically in technical contexts to describe the length of a segment
protected time
Highlights that the period is meant to be free from interruptions
confirmation time
Specific to blockchain when referring to transaction finality
time window
Suggests a range within which an event can occur
set period
A simpler and more generic way to describe a fixed duration
induction time
Medical specific term for the interval required for a block to take effect
interval
The most neutral term for a space between two points in time
FAQs
How to use "block time" in a sentence?
You can use it to denote a period reserved for a task, such as: "I need to "block time" in my calendar for deep work" or to describe a technical process like "The average "block time" for Ethereum is fifteen seconds".
What can I say instead of "block time"?
You can use alternatives like "allocated period", "scheduled slot" or "protected time" depending on the context.
What's the difference between "block time" and "time blocking"?
The main difference is that ""time blocking"" refers to the organizational strategy, while "block time" usually refers to the specific chunk of time itself or a technical duration in science and engineering.
Is "block time" a formal term?
Yes, it is widely accepted in formal scientific journals and business environments. It is frequently found in publications like "The New Yorker" and various medical research papers.
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
86%
Authority and reliability
4.9/5
Expert rating
Real-world application tested