a previously unobserved

USAGE SUMMARY

The phrase "a previously unobserved" is correct and usable in written English.
It can be used when referring to something that has not been seen or detected before, often in scientific or analytical contexts. Example: "The researchers discovered a previously unobserved species in the rainforest."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

24 human-written examples

Furthermore, we identified a previously unobserved durotactic response within PSCs, cells preferentially migrating towards regions of fibrosis on a mechanically relevant dual-rigidity PAA hydrogel.

Nature

During our research into the reactive cathodic arc deposition of this type of coating, we found a previously unobserved transition between two crystalline aluminum chromium oxide structures.

Surface and Coatings Technology

A large torsional response was also noted during one of these events, which indicates a previously unobserved and potentially serious behaviour.

Journal of Wind Engineering and Industrial Aerodynamics

Bearman felt that he had discovered a previously unobserved variant of the Matthew effect, Robert K. Merton's theory concerning the compounding of iniquity among prominent and marginal individuals — the rich getting richer, and so forth.

The New Yorker

Not only that, his formula led to the first successful prediction of a previously unobserved particle (the positron) from mathematics alone.

The New York Times

These structural studies reveal an alternate conformation of the enzyme, induced upon binding of specific inhibitors, that opens a previously unobserved deep pocket termed S1′∗ which might afford new opportunities to design selective inhibitors that target this subsite.

FEBS Letters

Human-verified similar examples from authoritative sources

Similar Expressions

36 human-written examples

When presented with an entry from a system that was not included in a training set, the inputs to ElemNet would be in a previously-unobserved portion of feature space.

Nature

2. Add S concatenated with the next nucleotide in the genome as a new, previously unobserved, phrase into the dictionary.

BMC Genomics

In 2006 a possible sighting was reported of a predicted but previously unobserved fundamental particle called the axion.

Encyclopedia Britannica

The observation of 289mFl in this series of experiments may indicate the formation of a parent isomer of livermorium, namely 293mLv, or a rare and previously unobserved decay branch of the already-discovered state 293Lv to 289mFl.

Wikipedia

Of the few binding events detected (n = 57), we observed a fourfold decrease of stable high-FRET trajectories (17.5%) in favour of traces demonstrating the dynamic broad mid-FRET state (70%) and a minor (12%) previously unobserved low-FRET (~ 0.2) population (Supplementary Fig. 12c).

Nature

Expert writing Tips

Best practice

When using "a previously unobserved", ensure the context clearly establishes what field or area the observation is new to. For example, "a previously unobserved phenomenon in quantum physics" is more informative than "a previously unobserved phenomenon".

Common error

Avoid using "a previously unobserved" in casual or informal writing. It sounds overly formal and can be replaced with simpler phrases like "new" or "unseen" without losing meaning.

Linguistic Context

The phrase "a previously unobserved" primarily functions as an adjective phrase modifying a noun. It describes something that has not been seen or detected before. Ludwig AI confirms its correctness and usability.

Expression frequency: Uncommon

Frequent in

Science

70%

News & Media

15%

Academia

15%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "a previously unobserved" is a grammatically correct and usable adjective phrase, as confirmed by Ludwig AI. It is most commonly found in scientific, academic, and news contexts. While effective for highlighting novelty, it should be used judiciously, especially in informal settings where simpler alternatives may be more appropriate. The phrase serves to emphasize the newness of a finding or phenomenon and often indicates its potential significance within a specific field.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

A previously unknown

Highlights that something was not known before.

A newly discovered

Focuses on the act of discovery rather than the prior absence of observation.

A never-before-seen

More informal way of emphasizing that something has not been seen up until this point.

An unobserved

Shorter version. Lacks the emphasis on 'previously'.

A heretofore unseen

More formal and emphasizes that something has not been seen up until this point.

A recently identified

Focuses on the act of identification rather than the prior absence of observation.

A novel

Highlights the originality and newness of something.

An unprecedented

Emphasizes the lack of any prior occurrence or parallel.

A first-of-its-kind

Highlights the uniqueness and pioneering nature of the observation.

A groundbreaking

Emphasizes the innovative and impactful nature of the discovery.

FAQs

What does "a previously unobserved" mean?

The phrase "a previously unobserved" refers to something that has not been seen or detected before. It's often used in scientific or technical contexts to describe a new finding or discovery.

What can I say instead of "a previously unobserved"?

You can use alternatives like "a newly discovered", "a heretofore unseen", or "a previously unknown" depending on the context.

Is it appropriate to use "a previously unobserved" in informal writing?

While grammatically correct, "a previously unobserved" is quite formal. In informal contexts, consider using simpler alternatives like "a newly discovered" or "a never before seen".

How to use "a previously unobserved" in a sentence?

Use "a previously unobserved" to describe something newly discovered or detected in a specific field. For example, "The study identified a previously unobserved interaction between these proteins."