is observed by

USAGE SUMMARY

The phrase "is observed by" is correct and usable in written English.
It can be used in contexts where you want to indicate that something is being seen or noticed by someone or something. Example: "The phenomenon is observed by scientists during the experiment."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

A single linear plant is observed by a network of local observers.

Systems & Control Letters

However, even if it is observed by both sides, it will leave a highly unstable situation.

The Guardian

The day is observed by about a billion people around the world, according to organizers.

The Washington Post

The Feast of the Assumption is observed by the Roman Catholic community on August 15.

Britannica

The chaotic system's dynamical behavior is observed by this way.

Optik - International Journal for Light and Electron Optics

So the whole history of the game is observed by everybody.

Yale University

This brave new world is observed by a young Chilean director of photography, appropriately named Claudio Miranda.

The Guardian - Film

It is crucial that respect for the neutrality of medical space is observed by all armed actors.

The Guardian - Opinion

Still, Columbus Day is celebrated in many parts of the United States and is observed by the federal government.

The Washington Post

Comparing CGH to 3D-SHOT: In this experiment, how neurons react to illumination is observed by measuring the photocurrent.

University of California, Berkeley

The birthday of Guru Nanak, founder of Sikhism, is observed by the Sikh population.

Encyclopedia Britannica

Expert writing Tips

Best practice

Use "is observed by" in formal and scientific writing to maintain an objective tone when describing how something is noticed or detected.

Common error

Avoid using "is observed by" excessively when the active voice would be more direct and concise. For example, instead of "The data is observed by the researchers", consider "The researchers observed the data".

Linguistic Context

The phrase "is observed by" functions as a passive voice construction, indicating that a subject is being acted upon. This is commonly used to emphasize the object or phenomenon being observed rather than the observer itself. Ludwig AI shows examples across various domains where this passive construction is used.

Expression frequency: Very common

Frequent in

Science

54%

News & Media

29%

Academia

8%

Less common in

Encyclopedias

3%

Wiki

3%

Formal & Business

3%

Ludwig's WRAP-UP

In summary, "is observed by" is a grammatically sound and frequently used passive construction that serves to highlight the object or phenomenon being noticed. Ludwig AI confirms its prevalent use in scientific, academic, and news contexts. While the phrase is generally correct, being mindful of the active voice as a more direct alternative can enhance clarity. As a passive construction, understanding subtle differences in related phrases, such as "is noticed by" or "is detected by", enables more precise communication depending on the context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is noticed by

Replaces "observed" with "noticed", a synonym with a slightly less formal tone.

is seen by

Substitutes "observed" with "seen", implying a more direct visual perception.

is detected by

Replaces "observed" with "detected", suggesting a more technical or scientific observation.

is monitored by

Substitutes "observed" with "monitored", implying a continuous and systematic observation.

is witnessed by

Replaces "observed" with "witnessed", suggesting a direct and personal observation.

is identified by

Substitutes "observed" with "identified", suggesting recognition or categorization as a result of observation.

is perceived by

Replaces "observed" with "perceived", suggesting subjective or sensory observation.

is noted by

Substitutes "observed" with "noted", implying a recorded or documented observation.

is examined by

Replaces "observed" with "examined", suggesting a detailed and thorough observation.

is inspected by

Substitutes "observed" with "inspected", implying a careful and critical observation.

FAQs

How can I use "is observed by" in a sentence?

The phrase "is observed by" indicates that something is being noticed or detected by someone or something. For instance, "The phenomenon is observed by scientists during the experiment" demonstrates its use in a scientific context.

What are some alternatives to "is observed by"?

You can use alternatives such as "is noticed by", "is seen by", or "is detected by" depending on the specific nuance you want to convey.

When is it better to use the active voice instead of "is observed by"?

Using the active voice is generally preferred for clarity and conciseness. For example, instead of "The effect is observed by the team", using "The team observed the effect" makes the sentence more direct and easier to understand.

What is the difference between "is observed by" and "is witnessed by"?

"Is observed by" typically implies a systematic or scientific noticing, while "is witnessed by" suggests a direct, often personal, experience of seeing something occur.