is not contaminated

USAGE SUMMARY

The phrase "is not contaminated" is correct and usable in written English.
It can be used to indicate that something is free from pollutants or harmful substances. Example: "The water from this spring is not contaminated, making it safe for drinking."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

This low-background steel is used in the manufacture of radiation-sensitive devices, such as Geiger counters, as it is not contaminated with radioisotopes, having been produced prior to any chance of nuclear contamination.

Wikipedia

We've urged the farmers to request verification that their seed is not contaminated".

The New York Times

It is not contaminated with sea water and therefore doesn't qualify".

The New York Times

Thus, it is not contaminated and can be used for further study.

Cryogenics

"The manufacturers and suppliers can define the dosage, do quality control, make sure it is not contaminated.

The Guardian

Legally, all vehicles and containers used for transporting food must be kept clean and well-maintained to ensure food is not contaminated.

The Guardian - Business

The dogs are trained to detect human scent but they can only work effectively if the site is not contaminated by other people.

The New York Times

He says the key is educating women who collect the water on how to ensure their supply is not contaminated either at source or en route.

The Guardian

"The point is the meat is not contaminated, so there should be no concern," said John Top, a cow auctioneer from Yakima Valley in south-central Washington.

The New York Times

There are so many transactions in the supply chains that big brands sourcing from implicated traders cannot be sure their product is not contaminated.

The Guardian

Large food sellers like Wal-Mart and grocery store chains have forced importers to sign contracts guaranteeing that their food is not contaminated.

The New York Times

Expert writing Tips

Best practice

When describing the quality of something, ensure that the subject you are discussing is clearly defined to avoid ambiguity. For example, specify "the water" or "the sample" "is not contaminated".

Common error

Avoid using the passive voice unnecessarily. Instead of "the sample is not contaminated", consider "the sample remains pure" for a more direct and impactful statement.

Linguistic Context

The phrase "is not contaminated" functions as a predicate adjective describing a noun. It asserts the state of something being free from pollutants or impurities. Ludwig AI examples show this phrase used across various contexts, affirming its grammatical correctness.

Expression frequency: Very common

Frequent in

Science

39%

News & Media

37%

Formal & Business

24%

Less common in

Wiki

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "is not contaminated" is a commonly used and grammatically sound expression to denote the absence of pollutants or impurities, as confirmed by Ludwig AI. It frequently appears in science and news media, conveying assurance about the purity or safety of something. While it maintains a neutral formality, alternative phrases like "is pure" or "is free from contaminants" can offer stylistic variations. When using this phrase, ensure the subject is clearly defined and avoid unnecessary passive voice constructions for a more impactful statement. This detailed analysis offers practical guidance and alternatives for effective communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is free from contaminants

Emphasizes the absence of polluting substances.

is unpolluted

Highlights the lack of environmental pollutants.

is pure

Focuses on the simplicity and cleanliness of the substance.

is untainted

Implies that the substance remains in its original, uncorrupted state.

is sterile

Specifically refers to the absence of living microorganisms.

is clean

A general term indicating the absence of dirt or impurities.

is unadulterated

Stresses the substance hasn't been mixed with inferior or impure elements.

is wholesome

Highlights that something is conductive to or suggestive of good health or well-being.

is clear

Highlights that something is free of anything that taints, impairs, or obscures.

is pristine

Highlights that something is in its original condition; unspoiled.

FAQs

How can I use "is not contaminated" in a sentence?

You can use "is not contaminated" to describe something that is free from harmful substances. For instance, "The well water "is not contaminated", making it safe to drink".

What are some alternatives to saying "is not contaminated"?

Alternatives include "is pure", "is unpolluted", or "is free from contaminants", depending on the context and specific type of contamination you are addressing.

Which is correct, "is not contaminated" or "isn't contaminated"?

Both "is not contaminated" and "isn't contaminated" are grammatically correct. The contracted form "isn't" is more informal, while "is not" is more formal.

What's the difference between "is not contaminated" and "is decontaminated"?

"Is not contaminated" means that something was never contaminated in the first place. "Is decontaminated" implies that something was previously contaminated and has been cleaned or treated to remove the contaminants.