on the 3rd day

USAGE SUMMARY

The phrase "on the 3rd day" is correct and usable in written English.
It can be used to refer to a specific point in time, often in a narrative or descriptive context, indicating the third day of a sequence or event. Example: "On the 3rd day of our journey, we finally reached the summit of the mountain."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The materials uniaxial compression strength reached on the 3rd day 3.9 MPa, on the 7th day 4.8 MPa, and on the 180th day 11.7 MPa.

Construction and Building Materials

The second step involves the CCD matrix, resulting in 51.21% degradation on the 3rd day with R2 value 0.9882.

Chemometrics and Intelligent Laboratory Systems

However, production of LA and AA was relatively less and the pH value was significantly higher (4.35 ± 0.04) on the 3rd day in WFFO as compared to LAFFO.

International Journal of Recycling of Organic Waste in Agriculture

Whilst 5%% ointment produced a significant contraction on the 7th day (p < 0.01), 10%% produced on the 3rd day (p < 0.001).

BMC Complementary and Alternative Medicine

(Fig. 1) The surviving rats in group S recovered more vigorously and vitally on the 3rd day after 75 min intestine ischemia.

BMC Gastroenterology

Meanwhile, compound 6 appeared on the 3rd day and then decreased continuously while compound 7 appeared on the 6th day and then increased continuously within 15 days.

Chemistry Central Journal

Notably, a maximum on the 3rd day with an increase to 57.4 ± 32.8 (ng/ml)2/1000 could be observed.

Annals of Intensive Care

Notably, a maximum on the 3rd day with an increase to 57.4 ± 32.8 (ng/ml)/1000 could be observed.

Annals of Intensive Care

Cefquinome were administrated intramuscularly (intragluteal muscles) for consecutive 5 times beginning on the 3rd day after infection with E. coli ATCC 25922 for every piglet in administration groups.

BMC Veterinary Research

Spermidine was the prevailing polyamine in caprine samples, reaching levels up to 4.41 μmol/l on the 3rd day post-partum.

Food Chemistry

Her troponin level had declined to 0.63 ng/m on the 3rd day, and the patient was discharged with a referral for cardiac rehabilitation.

International Journal of Emergency Medicine

Expert writing Tips

Best practice

When using "on the 3rd day" in scientific writing, ensure consistency by specifying the units of time clearly (e.g., "on the 3rd day post-treatment").

Common error

Avoid using cardinal numbers instead of ordinal numbers. It is incorrect to say "on the three day"; always use "on the 3rd day" or "on the third day".

Linguistic Context

The phrase "on the 3rd day" functions primarily as an adverbial phrase indicating a specific point in time relative to a reference event. As confirmed by Ludwig, it clarifies when something occurs.

Expression frequency: Very common

Frequent in

Science

95%

News & Media

3%

Formal & Business

1%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "on the 3rd day" is a common and grammatically sound way to specify a point in time relative to a reference event. As indicated by Ludwig, it is often used to provide a temporal context. Predominantly found in scientific and medical literature, "on the 3rd day" precisely locates events in research or treatment timelines. Alternatives like "by the third day" or "three days later" offer flexibility in phrasing. When using "on the 3rd day", clarity is crucial – always specify the units of time. While generally neutral to formal, avoid confusing it with ordinal numbers. Overall, understanding and using "on the 3rd day" effectively enhances clarity in writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

on the third day

Replaces the numerical abbreviation with the full ordinal number.

by the third day

Indicates that something is completed or achieved no later than the third day.

on day three

Uses a simpler format, omitting "rd" and "the".

during the third day

Emphasizes the duration of the event occurring throughout the day.

three days later

Shifts the perspective to a point after a specific starting point.

after two days

Specifies a duration from a starting point, implying occurrence afterward.

at the end of the third day

Highlights the conclusion of the specified day.

on the third of the month

Specifies a calendar date rather than a relative time frame.

in three days

Focuses on the future occurrence of something.

three days hence

A more formal way of saying "in three days".

FAQs

How do I properly use "on the 3rd day" in a sentence?

Use "on the 3rd day" to specify when an event occurs relative to a starting point. For example, "The symptoms appeared "on the 3rd day" after treatment began."

What are some alternatives to saying "on the 3rd day"?

You can use phrases like "by the third day", "during the third day", or "three days later" depending on the context.

Is it better to write "on the 3rd day" or "on the third day"?

Both "on the 3rd day" and "on the third day" are correct. The abbreviated form is more common in scientific writing and tables, while the full form is preferred in formal prose.

What's the difference between "on the 3rd day" and "in 3 days"?

"On the 3rd day" refers to a specific point in time relative to a starting event. "In 3 days" indicates a duration until an event will occur from the current time.