is not observable

USAGE SUMMARY

The phrase "is not observable" is correct and usable in written English.
It can be used in contexts where you want to indicate that something cannot be seen or detected. Example: "The phenomenon in question is not observable with the current technology available to us."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Hence complex [ r ] -matrix impulsive system (1) is not observable from Theorem 3, and it contradicts the assumption of observability.

Advances in Difference Equations

This effect is not observable with a VEGFC morpholino, in accordance with our own observations.

eLife

Unfortunately potential output is not observable, not even ex post".

The Guardian - Business

Evolution is not science because it is not observable or testable.

University of California, Berkeley

MISCONCEPTION: Evolution is not science because it is not observable or testable.

University of California, Berkeley

Since the starting offset is not observable, the MMSE controller does not exist.

Journal of the Korean Statistical Society

In many contest situations, the number of participants is not observable at the time of investment.

Games and Economic Behavior

The effect of the engine torque at constant engine speed, especially at higher speed, is not observable in this experiment.

Combustion and Flame

In many applications of statistics, one is interested in the characteristics of a time-to-event variable Y, which, by itself, is not observable.

Statistics & Probability Letters

It is shown that the system is not observable with the available measurements, and hence a closed loop model predictive control cannot be implemented on a real system.

Journal of Process Control

The results of parametric studies with over 320 analyses indicate that the improvement in the train safety for multi-span bridges with several continuous spans is not observable.

Engineering Structures

Expert writing Tips

Best practice

Use "is not observable" when indicating that a phenomenon, variable, or effect cannot be directly measured or perceived due to limitations in technology, methodology, or experimental design.

Common error

Avoid using "is not observable" when you mean "is not easily measurable". Observability refers to the inherent impossibility of direct detection, while measurability relates to the difficulty or impracticality of quantifying something. Something can be measurable, yet impractical to measure, and it is not the same as being not observable.

Linguistic Context

The phrase "is not observable" functions as an adjectival phrase, typically used to modify a noun or noun phrase by indicating that something cannot be directly perceived or detected. Ludwig provides numerous examples from scientific and academic sources.

Expression frequency: Very common

Frequent in

Science

82%

Academia

12%

News & Media

3%

Less common in

Formal & Business

1%

Encyclopedias

1%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "is not observable" is a grammatically sound and frequently used expression, especially in scientific and academic writing. According to Ludwig AI, it effectively conveys that something cannot be directly perceived or detected due to limitations in technology, methodology, or experimental design. When using this phrase, it is crucial to distinguish between observability and measurability. Alternative expressions, such as "cannot be detected" or "is undetectable", can provide similar meanings, but the selection depends on the specific context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

cannot be detected

Emphasizes the inability to find or identify something.

cannot be perceived

Highlights the lack of sensory awareness.

is undetectable

Focuses on the impossibility of measuring or sensing.

is imperceptible

Indicates something is too subtle to be noticed.

is unseen

Simply states that something is not visible.

is indiscernible

Suggests an inability to distinguish or differentiate something.

is not visible

Directly states the lack of visual appearance.

is not apparent

Implies the lack of obviousness or clarity.

escapes detection

Highlights the ability to avoid being found.

remains hidden

Emphasizes the concealment or obscurity of something.

FAQs

How can I use "is not observable" in a sentence?

You can use "is not observable" to describe something that cannot be directly seen or detected. For example: "The effect of the engine torque at constant engine speed is not observable in this experiment."

What does "is not observable" mean in scientific contexts?

In scientific contexts, "is not observable" often means that a variable or phenomenon cannot be directly measured or detected with the available tools or methods. It could be due to technological limitations or the inherent nature of the subject under study.

Which is a better choice, "is not visible" or "is not observable"?

The choice between "is not visible" and "is not observable" depends on the context. "is not visible" refers specifically to visual perception, while "is not observable" is broader and can refer to any form of detection, not just sight.

What are some alternative ways to express that something "is not observable"?

Alternatives include phrases like "cannot be detected", "is undetectable", or "is imperceptible", depending on the specific nuance you want to convey.