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 • 563 views

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.

Show examples from the web [+]

I have never seen so many foreign objects in human remains.
This cell is looking for foreign objects, bacteria, things that it can find.
Requirements concerning rail guard for protection of wheels from foreign objects and obstacles on the rails.
The victim had foreign objects embedded in her left femur.
Too often recently, we have seen lives lost when fishing vessels engaged in a trawl have snagged their gear on undersea cables and other foreign objects on the seabed.
Are there any other foreign objects inside your wife?
Next, any treatment that installs foreign objects in the body: stents for stroke, pumps for diabetes, dialysis, joint replacements.
The perp broke into their homes, Drugged them with ketamine, And then penetrated them with foreign objects.
Check inside and outside to make sure that the mouthpiece is clean and that there are no foreign objects.
The extent of protection provided by an enclosure against access to hazardous parts, against ingress of solid foreign objects and/or against ingress of water and verified by standardised test methods.
A coding system to indicate the degrees of protection provided by an enclosure against access to hazardous parts, ingress of solid foreign objects, ingress of water and to give additional information in connection with such protection.
Sometimes, foreign objects can be found... Okay.
There must be much more stringent regulation concerning the laying of undersea power and telecommunication cables or any foreign objects on the seabed where the lives of our fishermen might be endangered.
And with no ref, all foreign objects are fair game, Buzz.
Appearance: uniformly porous, well baked, clean, crisp, well dried, must not be burnt or contain foreign objects.
Aerodrome movement areas obstructed by aircraft, vehicles, animals or foreign objects, resulting in a hazardous or potentially hazardous situation.
No explosives, no foreign objects.

Alternatives:

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

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foreign substance vs foreign objects