lower than unity

USAGE SUMMARY

The phrase "lower than unity" is grammatically correct and can be used in written English.
It is typically used in technical or scientific writing to describe a number or value that is less than one. For example: - The experiment showed that the pH level of the solution was lower than unity, indicating high acidity. - The stock market experienced a significant decrease, with many company stocks falling lower than unity values. - The study found that the correlation coefficient between the two variables was lower than unity, suggesting a weak relationship.

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

48 human-written examples

The reaction order with respect to OH− ions was found to be lower than unity.

Electrochimica Acta

The Faradaic efficiency was lower than unity, indicating a sub-Faradaic effect.

Catalysis Today

At high pressures, the fluid dynamics behaves very differently than when reduced pressure is lower than unity.

The Journal of Supercritical Fluids

This behavior indicates that collisions of deactivated soot particles are characterized by sticking probabilities lower than unity.

Combustion and Flame

The H2/CO ratio lower than unity makes the obtained syngas suitable for the Fischer-Tropsch process.

Catalysis Today

The transition from a stick-slip motion with energy dissipation to a smooth, frictionless sliding occurs when the so-called Tomlinson parameter becomes lower than unity.

Superlubricity

Human-verified similar examples from authoritative sources

Similar Expressions

12 human-written examples

For these cases, the code (ASME) proposes a lower-than-unity SRF: thus, longer tests (lower levels of the applied load) would be useful, also extending the activity to other materials.

Engineering Fracture Mechanics

In the special case of a geometric series where each successive number has the same lower-than-unity ratio to the number before it, the sum is always finite, and can be determined by the simple but powerful formula a/ 1-r) where a/ 1-rhe first term and r is the ratio.

The New York Times

It has been suggested that similar proton-transfer processes may account for the lower-than-unity quantum yields found for most pHP PPGs, especially those carrying poor leaving groups, as formation of the less-reactive pHP triplet anion and the nonreactive triplet quinoid enol represent energy-wasting pathways.

Chemical Reviews

Hard throughput guarantees promise with unit probability that a guarantee will be fulfilled, while the corresponding soft throughput guarantees promise with a lower than unity--but preferably high--probability that the specified throughput guarantee will be fulfilled.

EURASIP Journal on Wireless Communications and Networking

Although the doping leads to increased positive to negative capacity ratios (ZFO-200 and ZFO-600 have a practical capacity of ≈870 mAh g−1 and 470 mAh g−1, respectively), this remains considerably lower than the unity (i.e., 0.28 and 0.51 for ZFO-200/LFP-CNT and ZFO-600/LFP-CNT, respectively) and, therefore, all devices are still cathode limited.

Advanced Energy Materials

Expert writing Tips

Best practice

When using "lower than unity", ensure the context clearly defines what 'unity' represents. This enhances clarity and avoids ambiguity, especially in technical documentation.

Common error

Avoid assuming "unity" always refers to the number 1. In different contexts, "unity" could represent a standard value, a perfect score, or a baseline measurement. Always clarify the meaning to prevent misinterpretations.

Linguistic Context

The phrase "lower than unity" functions as a comparative expression, indicating that a certain value or quantity is less than a defined standard (unity). Ludwig AI confirms its grammatical correctness and frequent usage in technical writing.

Expression frequency: Very common

Frequent in

Science

96%

News & Media

2%

Formal & Business

2%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "lower than unity" is a grammatically correct comparative expression predominantly used in scientific and technical contexts to indicate a value less than a specified standard. Ludwig AI indicates it is commonly found when describing quantities like ratios, probabilities, or relative measures. While alternatives like "less than one" exist, "lower than unity" provides more precision in specialized fields, requiring careful contextual understanding. The phrase demonstrates its value through consistent and authoritative usage across academic and scientific platforms.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

less than one

Directly quantifies a value below the integer one, emphasizing the numerical aspect.

below one

Indicates a position on a scale or range that is under the value of one.

smaller than one

Highlights the diminutive size or magnitude compared to the unit value.

less than a single unit

Adds emphasis to the unit by explicitly stating it's a single entity.

a fraction

Implies a portion or part of a whole, which is inherently less than unity.

decimal value

Focuses on the type of number (decimal) that typically represents values less than one.

sub-unitary

A more technical term indicating a value beneath the unit level.

a value between zero and one

Specifies a numerical range within which the value falls.

below the baseline

Suggests a value that's under a defined reference point or standard.

a sub-unit quantity

Points to a quantity that does not reach a full unit.

FAQs

How to use "lower than unity" in a scientific context?

In scientific writing, "lower than unity" typically describes ratios, coefficients, or probabilities that fall below one. For example, "The reaction rate was "less than unity", indicating a slow process".

What is the difference between "lower than unity" and "less than one"?

While both phrases indicate a value below one, "lower than unity" is often preferred in technical or scientific contexts where 'unity' represents a specific standard or baseline. "Less than one" is more general.

Can I use "smaller than one" instead of "lower than unity"?

Yes, you can use "smaller than one" in many cases, especially when comparing magnitudes. However, "lower than unity" is more appropriate when referring to a specific standard, rate, or ratio.

Is "lower than unity" appropriate for general writing?

While grammatically correct, "lower than unity" is typically used in technical or formal writing. For general contexts, phrases like "less than one" or "below one" might be more suitable.