one year of age

USAGE SUMMARY

The phrase "one year of age" is correct and usable in written English.
It can be used when referring to the age of a person, animal, or object, typically in contexts such as birthdays, milestones, or age-related discussions. Example: "The puppy is now one year of age, and we are excited to celebrate its first birthday."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

In addition, infants under one year of age were excluded.

Antimicrobial Resistance and Infection Control

Peanuts and egg whites should not be given before one year of age.

The New York Times - Health

The African trials focused on children, while Asian trials included older populations and excluded children below one year of age.

Cochrane Database of Systematic Reviews

Foals and calves have microcytic erythrocytes until one year of age.

Cornell University

Similarly, immunoglobin concentrations are lower in animals under one year of age.

Cornell University

To determine the durability characteristics a detailed investigation of the permeation properties of four different fly ash geopolymer concretes was carried out up to one year of age.

Construction and Building Materials

Ridgway's Hawk will breed at one year of age, although this is uncommon (T. Hayes and R. Thorstrom, unpublished data).

Cornell University

First they jump after you reach one year of age.

Forbes

We found difficult intubation in 2.4 % of infants < one year of age undergoing general anesthesia.

JA Clinical Reports

She received anesthesia additional four times after one year of age.

JA Clinical Reports

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

But does this ability also disappear at one-year of age?

Science Magazine

Expert writing Tips

Best practice

When writing for a general audience, consider using "one year old" or "a year old" for better readability. Use "one year of age" in formal or scientific contexts.

Common error

Avoid using "one year of age" in casual conversation. Opt for simpler alternatives like "one year old" to maintain a natural tone.

Linguistic Context

The phrase "one year of age" functions primarily as an adjectival phrase, modifying a noun to specify the age of a person, animal, or object. As Ludwig AI confirms, it's a grammatically correct phrase, often used in formal contexts.

Expression frequency: Very common

Frequent in

Science

77%

News & Media

12%

Academia

11%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "one year of age" is a grammatically sound phrase that functions as an adjectival modifier to specify the age of a subject, as affirmed by Ludwig AI. While correct, its formality makes it more suited for formal contexts, such as scientific papers, medical records, and legal documents. Simpler alternatives like "one year old" are generally preferred in everyday conversation. The phrase sees most frequent use in scientific contexts. Therefore, when choosing between "one year of age" and simpler alternatives, consider your audience and the desired level of formality.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

one-year-old

Hyphenated adjective form, often used to describe a person, animal, or object that is one year old.

12 months old

Specifies age in months, common when discussing infants and toddlers.

a year old

Simplified expression of age, commonly used in everyday conversation.

aged one year

More formal way to state the age, often found in official documents or reports.

at the age of one

Emphasizes the specific age when something occurred.

one year from birth

Focuses on the duration since birth.

first anniversary

Specifically refers to the completion of the first year, often used for events or milestones.

completed one year

Highlights the completion of a year of life or existence.

one year of life

Emphasizes the duration of life.

in the first year

Refers to events or developments that occur within the initial 12 months.

FAQs

How can I use "one year of age" in a sentence?

You can use "one year of age" to specify the age of someone or something in a formal or technical context. For example, "The study included participants who were at least "one year of age"."

What's a simpler way to say "one year of age"?

Alternatives include "one year old" or "a year old". These are more commonly used in everyday conversation and writing.

Is it better to say "one year old" or "one year of age"?

"One year old" is more common and generally preferred for everyday use. "One year of age" is suitable for formal or technical writing where precision is important.

When is it appropriate to use "one year of age" instead of "one year old"?

Use "one year of age" in legal, medical, or scientific documents when a formal and precise tone is required. For example, a medical record might state, "The patient was diagnosed at "one year of age"."