foreign substance vs foreign objects

Both phrases are correct, but they are used in different contexts. 'Foreign substance' is typically used to refer to something that is not naturally present or expected in a particular environment, such as a chemical or material. On the other hand, 'foreign objects' are physical items that are not supposed to be in a certain place, like a piece of glass in food. The choice between the two depends on whether you are talking about a material or a physical item.

Last updated: March 30, 2024

foreign substance

This phrase is correct and commonly used in English.

This phrase is used to refer to a material or chemical that is not native or expected in a particular context.

Examples:

The food was contaminated with a foreign substance.
The athlete was disqualified for using a foreign substance to enhance performance.

Alternatives:

alien substance
exotic material
unfamiliar substance
external substance
non-native material

foreign objects

This phrase is correct and commonly used in English.

This phrase is used to refer to physical items that are not supposed to be in a certain place or environment.

Examples:

The surgeon removed foreign objects from the patient's body.
The airline security scanner detects foreign objects in luggage.

Alternatives:

alien objects
external items
non-native objects
unfamiliar items
exotic objects

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foreign substance vs foreign objects