at optimum

USAGE SUMMARY

The phrase "at optimum" is correct and usable in written English.
It can be used to refer to that which is performing at its best or most efficient state. For example, "The engine is running at optimum efficiency."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

His confidence was at optimum level then.

Independent

Temperature, oxygen levels and beneficial microbes at optimum levels helps.

Cornell University

You need to have your nerve at optimum levels.

Independent

Harvest your core hay fields at optimum stage and plant corn later.

Cornell University

Each game starts with two regular radio control cars operating at optimum levels.

Cornell University

At optimum efficiency speeds, you get little green arrows; at higher speeds, red ones going the opposite way.

The Guardian - Tech

The confirmation tests are carried out at optimum cutting conditions.

Measurement

The digital thermostat malfunctioned, meaning that instead of keeping the vaccines at optimum temperatures, the fridge freezes them.

The Guardian

At optimum conditions conversion of n-hexane was 70 wt.%.

Chemical Engineering Research and Design

Result shows 93.38% of DDT adsorption at optimum conditions.

Surfaces and Interfaces

It lacks some of the necessary pieces to move at optimum speed".

The New York Times - Sports

Expert writing Tips

Best practice

Use "at optimum" to clearly indicate that something is functioning at its peak capability or most favorable condition. This phrase is suitable for technical, scientific, and formal contexts where precision is valued.

Common error

Avoid using "at optimum" in casual conversation or informal writing where simpler alternatives like "at its best" or "in top form" might be more appropriate. The formality of "at optimum" can sound stilted in everyday contexts.

Linguistic Context

The phrase "at optimum" functions as a prepositional phrase, typically modifying a noun or verb to indicate the state or condition under which something performs best. Ludwig AI confirms its correct and frequent usage across varied contexts.

Expression frequency: Very common

Frequent in

Science

40%

News & Media

35%

Formal & Business

25%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "at optimum" is a grammatically correct and frequently used prepositional phrase, as confirmed by Ludwig AI. It is primarily used in formal and scientific contexts to denote that something is functioning under the most favorable or efficient conditions. While highly suitable for technical writing, it may sound overly formal in casual settings. Alternatives such as "at its best" or "under ideal conditions" may be more appropriate in informal contexts. The phrase enjoys common usage across Science, News & Media, and Formal & Business domains, highlighting its versatility and reliability in professional communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

at its best

A simpler and more common way to say something is performing or functioning as well as it can.

in an optimal state

Replaces "at" with "in" and uses the adjective "optimal" with the noun "state" to describe a condition.

under ideal conditions

Substitutes "optimum" with "ideal", focusing on the circumstances rather than the specific point of optimization.

at peak performance

Emphasizes the performance aspect of being at the highest level.

in top form

An idiomatic expression indicating the best possible condition or shape.

at its finest

Highlights the quality and excellence of something in its best state.

at maximum efficiency

Focuses specifically on efficiency as the maximized aspect.

at the highest level

A more general way of expressing being at the best possible point or state.

in prime condition

Highlights that the subject is in an excellent state of repair or readiness.

in tip-top shape

An informal idiom meaning in excellent condition.

FAQs

How can I use "at optimum" in a sentence?

You can use "at optimum" to describe conditions or performance, such as, "The engine runs "at optimum" efficiency when properly maintained" or "The experiment was conducted "at optimum" temperature for the best results".

What are some alternatives to saying "at optimum"?

Depending on the context, alternatives to "at optimum" include "at its best", "under ideal conditions", or "at peak performance".

Is it always correct to use "at optimum" instead of "at optimal"?

While both "optimum" and "optimal" relate to the best condition, "at optimum" typically refers to a state or condition (noun), whereas "optimal" is an adjective. Therefore, "at optimum" is generally used when describing something functioning at its best state. You might say something is 'at optimum level', not 'at optimal level'.

In what kind of writing is the phrase "at optimum" most appropriate?

The phrase "at optimum" is most appropriate in formal writing, such as scientific reports, technical manuals, or business analyses, where precise and technical language is preferred over more casual expressions. In more informal settings, simpler alternatives like "at its best" or "in top form" might be better suited.