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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
at the first segment
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at the first segment" is correct and usable in written English.
It can be used when referring to the initial part or section of something, such as a document, presentation, or process. Example: "At the first segment of the presentation, we will discuss the project's objectives and goals."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(2)
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
1 human-written examples
For example, they possessed hardened, protective forewings and a pronotum (a head shield originating at the first segment of the thorax), but unlike true cockroaches, they had a long needle-like ovipositor for laying eggs (Grimaldi and Engel 2005).
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Given the fact that the injection parameters at well-head are known, pressure and temperature at outlet of the first segment can be calculated using Eqs.
First, a number of pitch periods (typically 5) are selected around the pitch marker at the end of the first segment and around the marker at the beginning of the second segment.
The source said that at the end of the first segment the video timed out or he might have brushed it.
News & Media
Vick explains at the beginning of the first segment that the goal of the series is to reclaim his honor.
News & Media
At one point in the first segment of the video, she is filmed dancing but the camera is almost still and the motions of the dance are confined within the small range of the camera.
Wiki
Lower concentrations were represented at the sampling locations in the first segment (location #1 10) and higher levels were reported at the locations where a source of discharge was observed (location #11 17).
Science
The first segment at 7 p.m. features a panel discussion, "A Hip-Hop Perspective: Sounds, Substance and Style".
News & Media
The unimodal shape was constructed through three segments: the first segment starts at zero on the xn axis and rises until the peak value; the second segment links the peak with the equilibrium value (∼average abundance); the last segment connects the equilibrium and 1.0 on the xn axis.
Science
The first segment is on at 4pm, and we're going to go into the history of how our government has been blocked from its people by a wall of money.
News & Media
For a given alignment identity x, let Ix be the set of target strains with which the first segment has identity at least x.
Science
Expert writing Tips
Best practice
Use "at the first segment" to clearly indicate the starting point or initial section of a document, presentation, or process. It ensures clarity and avoids ambiguity.
Common error
Avoid using "section" and "segment" interchangeably without considering the context. "Segment" often implies a distinct, measured portion, while "section" can be more general. For instance, in coding, "segment" might refer to a specific memory allocation, whereas "section" might refer to a part of a document.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at the first segment" primarily functions as a prepositional phrase, modifying a verb or noun by specifying a location or point in time within something else. As Ludwig confirms, it’s grammatically correct and usable.
Frequent in
Science
50%
News & Media
30%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "at the first segment" is a grammatically sound and frequently used prepositional phrase to denote the beginning or initial part of something. Ludwig AI confirms its correctness and usability across diverse contexts. Its usage spans from scientific publications and news reports to general informational content, indicating a neutral register. While alternatives like "in the initial segment" or "during the opening segment" exist, "at the first segment" provides a clear and direct way to indicate a starting point. When employing this phrase, remember that 'segment' often implies a distinct, measured portion, enhancing precision in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in the initial segment
Changes the preposition "at" to "in" and replaces "first" with "initial", slightly altering the emphasis.
during the opening segment
Replaces "at" with "during" and "first" with "opening", focusing on the temporal aspect.
in the beginning section
Uses "beginning" instead of "first" and "section" instead of "segment", providing a more general alternative.
at the start of the segment
Emphasizes the starting point of the segment using "start of" instead of "first".
within the first portion
Replaces "segment" with "portion", indicating a part of a whole.
at the foremost part
Uses "foremost part" to indicate the initial section, adding a slightly more formal tone.
in the primary section
Replaces "first" with "primary" and "segment" with "section", highlighting importance rather than sequence.
during the initial phase
Substitutes "segment" with "phase", suggesting a stage in a process.
at the head of the segment
Uses a more direct metaphor to indicate the beginning of the segment.
initially, in the segment
Adds "initially" to emphasize the temporal aspect while retaining "segment".
FAQs
What does "at the first segment" mean?
The phrase "at the first segment" refers to the initial part or section of something, whether it's a presentation, a video, or any structured piece of content. It indicates where something begins or is initially addressed.
How can I use "at the first segment" in a sentence?
You can use it to specify when something occurs in the initial portion of something else. For example, "At the first segment of the presentation, we will cover the project's objectives."
Are there any alternatives to saying "at the first segment"?
Yes, you can use alternatives such as "in the initial segment", "during the opening segment", or "in the beginning section" depending on the context.
Is "at the first segment" grammatically correct?
Yes, the phrase "at the first segment" is grammatically correct and commonly used to specify a starting point within a larger whole, as confirmed by Ludwig AI.
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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