extant as of

USAGE SUMMARY

The phrase "extant as of" is correct and usable in written English.
It is typically used to indicate the existence or availability of something at a specific point in time. Example: "The documents were extant as of the last audit in 2020."

✓ Grammatically correct

Wikipedia

Science

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

The building was extant as of 2002.

Wikipedia

Digby also carved an inscription on the wall of his cell, extant as of 1996.

Wikipedia

Indeed, the only other endemic mammal on the island at the time of British occupation, the Christmas Island shrew (Crocidura trichura), although quite rare (or rarely encountered), was still extant as of 1985 [16].

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

This must include the impact of extant as well as planned wind turbines in the same region in order to be biologically meaningful.

Biological Conservation

The original is lost, but a versification by Aratus (c. 315 245 bce), a poet at the court of Antigonus II Gonatas, king of Macedonia, is extant, as is a commentary by Hipparchus (mid-2nd century bce).

Encyclopedia Britannica

However, examples of sculpture are extant as part of church architecture, including evidence of elaborate church interiors.

Wikipedia

However, examples of sculpture are extant as part of church architecture, including evidence of elaborate church interiors like the sacrament houses at Deskford and Kinkell and the carvings of the seven deadly sins at Rosslyn Chapel.

Wikipedia

However, examples of sculpture are extant as part of church architecture, a small number of significant crafted items have also survived and, for the end of the period, there is evidence of painting, particularly the extensive commissioning of works in the Low Countries and France.

Wikipedia

The census of extant pararetroviruses, as well as investigation of viral insert-derived small RNAs discussed above could help to distinguish between these scenarios.

Biology Direct

Orthologues of HeT-A and TART have been cloned and studied from species more than 60 MY distant (D.melanogaster - D.virilis), demonstrating that the telomeric retrotransposons predate the separation of the extant species as well as the robustness and reliability of this mechanism of telomere maintenance [ 3, 4].

BMC Genomics

Applying various tests of diversification that take into account topology, branch length, numbers of extant species as well as extinction, we evaluated diversification rates through time.

BMC Evolutionary Biology

Expert writing Tips

Best practice

Use "extant as of" when you want to emphasize the continued existence of something up to a specific point in time, often in formal or historical contexts.

Common error

Avoid using "extant as of" when you simply mean something is currently present. "Extant as of" implies a historical perspective or a need to specify a past verification date.

Linguistic Context

The phrase "extant as of" functions as a prepositional phrase specifying the time frame during which something was known to exist. It modifies a noun or clause by adding a temporal condition to its existence as evidenced by Ludwig.

Expression frequency: Rare

Frequent in

Science

60%

Wiki

20%

Encyclopedias

20%

Less common in

News & Media

0%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "extant as of" is a prepositional phrase used to indicate that something was in existence at a specific point in the past. Ludwig confirms its grammatical correctness, but notes that it is more suited for formal or academic writing. While synonyms like "existing as of" and "available as of" offer simpler alternatives for informal contexts, the original phrase provides precision and historical context when needed. Remember to use it to add verifiable temporal data to your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Existing as of

Replaces "extant" with its more common synonym "existing", resulting in a slightly less formal tone.

Available as of

Focuses on the availability rather than the mere existence, implying accessibility or readiness for use.

In existence on

Alters the structure to emphasize a specific date when something was present.

Present on

Similar to "in existence on", but uses "present" to indicate being there at a particular time.

Valid as of

Implies that something was officially recognized or legally binding up to a certain date.

Current as of

Indicates the most recent date for which information or a condition is accurate.

Remaining as of

Suggests that something survived or continued to exist until a specified time.

Surviving as of

Similar to 'remaining as of', implies enduring existence until a specific point.

Documented as of

Specifically refers to something that has been officially recorded or noted by a certain date.

Recorded as of

Same meaning of 'documented as of', specifically refers to something that has been officially registered or noted by a certain date.

FAQs

How can I use "extant as of" in a sentence?

Use "extant as of" to indicate that something was in existence or available at a specific point in the past. For example, "The original manuscript was "extant as of" 1900".

What's a simpler alternative to "extant as of"?

You can use phrases like "existing as of", "available as of", or "present on" as less formal alternatives.

Is "extant as of" appropriate for informal writing?

While grammatically correct, "extant as of" is more suited for formal or academic writing. Simpler phrases are generally preferred in informal contexts.

How does "extant as of" differ from "currently available"?

"Extant as of" specifies a past point in time, whereas "currently available" refers to the present. Use "extant as of" when historical context is important.