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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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of unknown life

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "of unknown life" is correct and usable in written English.
It can be used in contexts where you are describing something whose lifespan or existence is not known or is uncertain. Example: "The researchers discovered a species of unknown life in the depths of the ocean."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

I can't say that I slept well; moths brushed my face and there was a constant stirring of unknown life around me.

News & Media

The New Yorker

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Removal of species with unknown life cycles had no significant effects on either optimization.

The best-known example is Jean Rhys's 1966 novel Wide Sargasso Sea, which acts as a prequel to Charlotte Brontë's Jane Eyre – although Rhys's success is perhaps down to her not simply continuing a main character's story, but delving instead into the "unknown life" of a secondary character – in this case, Brontë's famous "madwoman in the attic".

Imagine now if, on top of all of that, Darwin had regularly ducked into a movie theater and gotten a gander at the collection of hitherto-unknown life forms featured in movies.

News & Media

Huffington Post

Although it is not directly associated with systemic hypertension and appears to resolve in the majority of children within a few years, it may persist in 25% up to 7 years of age with unknown life-long consequences [62, 63].

One of The Circle's founders (overlords) named Stenton has brought back a number of unknown species of marine life from an expedition to the Mariana Trench.

News & Media

Huffington Post

But then, how does one go about designing a tool to detect life of unknown origin and unfamiliar construction?

News & Media

Vice

He made a conclusion that "a natural food such as milk must therefore contain, besides these known principal ingredients, small quantities of unknown substances essential to life".

While quiescent and of unknown function during adult life, these cells demonstrate characteristics typical of neural stem cells, including multipotentiality and self-renewal when cultured in vitro.

Included in this series were also a few patients who suffered previously from a tumour and developed an effusion of unknown origin later in life.

The adrenocortical function should be routinely assessed in all patients with DSD including severe hypospadias of unknown origin to prevent life-threatening adrenal crises.

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Expert writing Tips

Best practice

When describing newly discovered species or phenomena, use "of unknown life" to convey the current lack of understanding about its lifecycle, origins, or characteristics.

Common error

Avoid using "of unknown life" when a more precise term like "unidentified species" or "uncharacterized organism" would be more accurate. Ensure the phrase accurately reflects the lack of knowledge about a life form rather than a general sense of mystery.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "of unknown life" functions as a qualifier, specifically an adjectival phrase, modifying a noun. It describes something whose lifecycle, characteristics, or origin is not yet known. As Ludwig AI explains, this phrase is usable in written English and found in contexts describing uncertain or mysterious forms of existence.

Expression frequency: Rare

Frequent in

Science

50%

News & Media

30%

Wiki

20%

Less common in

Encyclopedias

0%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "of unknown life" is a grammatically correct phrase used to describe something living whose characteristics or origins are not fully understood. As noted by Ludwig AI, it is suitable for describing entities whose lifespan or existence remains uncertain. While relatively rare, it appears primarily in science and news contexts. Alternatives include "undiscovered life" or "unidentified life forms". When employing this phrase, ensure it appropriately captures the level of uncertainty and aligns with a formal or neutral tone. The phrase "of unknown life" functions primarily as an adjectival qualifier adding an element of mystery or undiscovered quality to the subject.

FAQs

How can I use "of unknown life" in a sentence?

You can use "of unknown life" to describe a species or form of existence that has not been fully studied or understood. For example, "The deep sea exploration revealed several organisms "of unknown life"."

What are some alternatives to "of unknown life"?

Some alternatives include "undiscovered life", "unidentified life forms", or "uncharacterized organisms", depending on the specific context.

Is it correct to say "a life of unknown origin" instead of "of unknown life"?

While both phrases are grammatically correct, "a life of unknown origin" emphasizes the unknown source or beginning of life, while "of unknown life" focuses on the life itself being unknown or mysterious.

What is the difference between "of unknown life" and "of uncertain existence"?

"Of unknown life" specifically refers to living organisms about which little is known. "Of uncertain existence" is broader and can refer to anything whose existence is not confirmed, not necessarily related to life.

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Most frequent sentences: