initial day

USAGE SUMMARY

The phrase "initial day" is correct and usable in written English.
It can be used to refer to the first day of an event, project, or period of time. Example: "On the initial day of the conference, attendees will register and receive their materials."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

44 human-written examples

To generate CIK cells, 2000 U/mL rh IFN-γ was added on the initial day.

Nanoscale Research Letters

Every participating team receives invaluable exposure — not to mention invaluable connections — that lasts far beyond the initial day of competition.

TechCrunch

For example, Box, a tech company that went public this year, surged on its initial day as a public company.

TechCrunch

The ecology of initial (day 0) and final community (day 42) were examined for both the successful and unsuccessful cultivations.

AMB Express

Highest production of proteases was observed on the initial day (0.072 U) of culture and was followed by a declining trend.

AMB Express

That's twice the number of pre-orders achieved in 24 hours by the iPhone 5 back in 2012, which managed two million pre-orders in its initial day of pre-sales.

TechCrunch

Human-verified similar examples from authoritative sources

Similar Expressions

16 human-written examples

Within 4 days in median, the initial SAT was modified in 49%% of patients with PIC vs. 33%% patients with SIC.

Annals of Intensive Care

The study considered two groups: SAT DE group (patients switched from initial SAT to fluconazole or to SAT stop within five days of SAT initiation) and SAT continuation group (patient without switch or stop of the initial SAT within five days of SAT initiation).

Intensive Care Medicine Experimental

The initial SAT was modified for 142 (48.8 %) patients with PIC, 4.77 ± 4.01 days after initiation.

Annals of Intensive Care

His initial SAT score was invalidated by the company that scores the exam, and his follow-up score was drastically lower, according to records obtained by The Associated Press.

The New York Times

So do not despair if an initial, Monday-morning meeting has to be postponed.Myanmar is hungry for foreign capital in virtually every sector of the economy.

The Economist

Expert writing Tips

Best practice

When describing experimental procedures or data collection, clearly specify if you're referring to measurements taken on the "initial day" versus later stages to ensure clarity and reproducibility.

Common error

Avoid vague references to data or events without clearly distinguishing whether you're discussing the "initial day" or the conclusion. Be specific to prevent misinterpretations.

Linguistic Context

The phrase "initial day" primarily functions as a noun phrase, often serving as an adverbial modifier to specify the timing of an action or event. Ludwig examples show usage in both scientific and news contexts.

Expression frequency: Common

Frequent in

Science

56%

News & Media

40%

Formal & Business

4%

Less common in

Ludwig's WRAP-UP

The phrase "initial day" is a commonly used noun phrase that functions to specify the start of a period, event, or process. According to Ludwig, it is grammatically correct and adaptable for use in both scientific and news contexts. While alternatives like "first day" or "opening day" may be suitable depending on the context, "initial day" provides a specific and clear temporal reference point. When employing this phrase, ensure that you clearly distinguish the "initial day" from subsequent periods or events to avoid ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

First day

Direct synonym, emphasizing the ordinal position.

Opening day

Commonly used for events like a sports season or a store launch.

Start day

Highlights the beginning or initiation of something.

Commencement day

More formal and often used in the context of ceremonies or official beginnings.

Inaugural day

Typically used for formal events or the start of a significant term or project.

Launch day

Often used in business or technology contexts to describe the release of a product or service.

Beginning day

Simple and direct alternative, emphasizing the starting point.

Kick-off day

Informal, often used for projects or events to denote the start.

Maiden day

Less common, often used to describe the very first occurrence of something, like a voyage.

Genesis day

Emphasizes the origin or creation aspect of the first day.

FAQs

How can I use "initial day" in a sentence?

You can use "initial day" to refer to the start of an event, project, or period. For example: "On the "initial day" of the experiment, the measurements were taken."

What is a more formal alternative to "initial day"?

A more formal alternative to "initial day" could be "commencement day" or "inaugural day", especially when referring to ceremonies or significant beginnings.

What's the difference between "initial day" and "first day"?

While both "initial day" and "first day" are similar, "initial day" may subtly emphasize the starting point or original state, while "first day" simply denotes the ordinal position.

Can I use "initial day" interchangeably with "launch day"?

You can use "initial day" and "launch day" interchangeably when referring to the start of a product or service release. However, "launch day" is more specific to those contexts.