they are duplicate

USAGE SUMMARY

The sentence "They are duplicate" is correct and can be used in written English.
You can use this sentence to describe something that is an exact copy, such as two documents that are exactly the same. For example, "After reviewing the documents, I found out that they are duplicate."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

Such reads imply that they are duplicate reads and, although it is difficult to distinguish, may represent PCR duplicates originating from the amplification step during sequencing [ 33].

BMC Medical Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

They are duplicates of pieces that the owner already has.

The New York Times - Arts

There are still far too many philanthropists trying to do the same thing, often unaware that they are duplicating each other's good works.

The Economist

While it is generally totally O.K. to exchange gifts when they are duplicates or wrong sizes, or when the giver says, "Please exchange it if," that's not the case here.

The New York Times

Crucially, isolated duplicates share the intrinsic properties of the things with which they are duplicates.

SEP

Although they are duplicates, the terms they use have different extensions; likewise their thoughts have different truth conditions.

SEP

The duplicate crew are later killed after they leave the planet, and forget that they are duplicates.

Wikipedia

Wright points out that the military might not want to get to the point where its starts to look like they are duplicating the Soviet Union's experiences in Afghanistan.

Huffington Post

(ii) Whether they are duplicated or not.

BMC Genomics

Nevertheless, genes without AS always have fewer number of domains whether they are duplicated or not.

BMC Genomics

Trypanosome chromosome-internal VSG genes are expressed only when they are duplicated into subtelomeric expression locations [ 47, 48].

BMC Genomics

Expert writing Tips

Best practice

Consider using stronger synonyms like "identical" or "redundant" for added emphasis, depending on the nuance you want to convey.

Common error

Avoid using "they are duplicate" when you mean "similar" but not exactly the same. Duplicate implies an exact copy, while similar allows for minor differences.

Linguistic Context

The phrase "they are duplicate" functions as a predicative adjective describing a characteristic of the subject ('they'). It indicates that the items referred to by 'they' are exact copies of one another. This analysis aligns with Ludwig's affirmation of its grammatical correctness.

Expression frequency: Common

Frequent in

Science

60%

News & Media

30%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "they are duplicate" is grammatically sound and used to indicate that multiple items are exact copies of one another. As Ludwig AI confirms, it is correct and applicable in various contexts. While "they are duplicates" is more standard, "they are duplicate" is understandable. When aiming for precision, especially in writing, consider synonyms such as "identical" or "redundant" to enhance clarity. Be mindful that duplicate means an exact copy, not merely similar. This phrase frequently appears in science and news-related content.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

they are replicated

Focuses on the action of being replicated, emphasizing the process.

they are redundant

Highlights the unnecessary nature of having multiple identical items.

they are identical

Emphasizes the sameness and indistinguishability of the items.

they are copies

A more direct and common way to express that something is a reproduction.

they are twins

Suggests a very close, almost inseparable similarity.

they are clones

Implies an exact genetic or digital replication.

they are the same

A simpler expression emphasizing equivalence.

they are alike

A more general term for similarity, less specific than duplicates.

they correspond

Indicates a matching or mirroring between items.

they mirror each other

Suggests a reflection or mirroring effect between the items.

FAQs

How to use "they are duplicate" in a sentence?

You can use "they are duplicate" to indicate that multiple items are exact copies of each other. For example, "After the investigation, we realized "they are duplicate" records".

What can I say instead of "they are duplicate"?

You can use alternatives like "they are identical", "they are redundant", or "they are copies" depending on the context.

Which is correct, "they are duplicate" or "they are duplicates"?

Both forms are acceptable, but "they are duplicates" is more common and grammatically standard as "duplicates" functions as a plural noun. "They are duplicate" treats "duplicate" as an adjective, which, while understandable, is less conventional.

What's the difference between "they are duplicate" and "they are similar"?

"They are duplicate" means the items are exact copies, whereas "they are similar" implies that the items share characteristics but are not necessarily identical. The first indicates exact replication, the second indicates resemblance.