twice daily

USAGE SUMMARY

You can use the term "twice daily" in written English.
It is often used to indicate that something must be done or taken at two separate intervals in the same day. For example, "I take the medication twice daily, once in the morning and once in the evening."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Updates twice daily.

The New York Times - Travel

Tours twice daily, weather permitting.

The New York Times - Travel

Cows were milked twice daily.

Livestock Science

She read her Scripture twice daily.

The New Yorker

We changed his dressings twice daily.

The New York Times

Cows were fed and milked twice daily.

Journal of Dairy Science

"E-mail is checked twice daily".

The New York Times

Macmillan palliative care nurses visited twice daily.

The Guardian

Freshly prepared meals, delivered twice daily.

The Guardian

twice daily for 10 days.

AMB Express

Mice were monitored twice daily.

Intensive Care Medicine Experimental

Expert writing Tips

Best practice

When providing instructions, clarify the specific times for the "twice daily" action to ensure adherence. For example: "Take this medication twice daily, once in the morning and once in the evening."

Common error

Avoid assuming that "twice daily" implies evenly spaced intervals. If specific timing is crucial, clearly state it (e.g., "every 12 hours") instead of just saying "twice daily".

Linguistic Context

The phrase "twice daily" functions as an adverbial of frequency, modifying verbs to indicate how often an action occurs. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

Frequent in

Science

51%

Wiki

27%

News & Media

22%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "twice daily" is a grammatically correct and very common adverbial phrase used to indicate that something should be done two times a day. Ludwig AI confirms its usage across a variety of contexts, primarily in science, wiki articles, and news. While versatile, it's important to specify precise timings if needed, as "twice daily" doesn't inherently imply equal intervals. Related phrases include "two times a day" and "twice per day". Use "twice daily" to provide clear and concise instructions, but avoid ambiguity by clarifying specific timings when necessary.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Two times a day

Replaces the adverb "twice" with the equivalent "two times" maintaining the same meaning.

Twice per day

Substitutes "daily" with "per day" for a more formal tone, with no semantic change.

Twice in a day

Adds 'in a' for extra clarity.

Two times daily

Adds an additional use of the word "times", without changing the semantic sense of the expression.

Two instances daily

Replaces 'times' with 'instances' and adds clarity.

Morning and evening

Specifies the two times of day, replacing the general term with concrete instances. May not always be perfectly interchangeable.

Twofold daily

Uses the word "twofold" but means literally the same thing as "twice".

Two separate times each day

Emphasizes that the actions occur at distinct times within the day.

Every twelve hours

Indicates a specific interval, replacing the general frequency.

B.I.D.

Medical abbreviation for "twice daily".

FAQs

How to use "twice daily" in a sentence?

Use "twice daily" to indicate that an action or treatment should be performed two times within a 24-hour period. For example, "The doctor instructed me to take the medication "twice daily"."

What can I say instead of "twice daily"?

You can use alternatives like "two times a day", "twice per day", or, in medical contexts, "B.I.D.".

Which is correct, "twice daily" or "two times daily"?

Both phrases are grammatically correct and widely used. "Twice daily" is slightly more concise, while "two times daily" is more explicit.

Does "twice daily" mean every 12 hours?

While ""twice daily"" implies two times a day, it does not necessarily mean every 12 hours. If a strict 12-hour interval is required, it's better to specify "every 12 hours" for clarity.