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I'm looking for a synonym(?) for ‘test subject’ that is applicable when the subject is an inanimate object.

I've tried using the thesaurus looking for synonyms of 'test subject' but it's only offering me alternatives that describe a living subject such as 'guinea pig'.

The phrase it's being used in would be:

Here is an overview of the test subjects being used for this experiment

I've considered the following words:

  • examinee
  • testee
  • subject

But these all feel like they are referring to a person or an animal instead of to an inanimate object. I'd prefer the word to be formal as it's being used in a research context. The 'best' word would be a single word that implicitly conveys the fact that the subject of the sentence is in fact, an inanimate object.

Note: The reason that ‘subject’ is not applicable lies in its definition:

subject - 6. a person who is subjected to experimental or other observational procedures; someone who is an object of investigation; "the subjects for this investigation were selected randomly"; "the cases that we studied were drawn from two different communities"

  • It depends on what the object is and what the purpose of the testing is. Do you have a specific object and test procedure in mind? Often they're referred to by what they are. For instance, in pharmacology, when testing a new drug, it would simply be referred to as drug, chemical, compound, substance, its name, etc. – xiota Nov 13 '19 at 7:43
  • I'm doing measurements of an electromechanical device. I have a table containing the series of different types of that device and I was looking for the word to use in the caption – FMashiro Nov 13 '19 at 7:45
  • What are the devices? A table of battery types could simply say, "Table of battery types." – xiota Nov 13 '19 at 7:48
  • That doesn't quite work as I'm describing the different series of the same device type under test – FMashiro Nov 13 '19 at 7:50
  • The context and devices in your table would still be helpful. "Electromechanical device" is akin to writing "biological substance". It could be almost anything. – xiota Nov 13 '19 at 7:54
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In trying to say they're test things but not things-for-test but specifically the things-under-test...

article - a particular item or object.

But that's still not entirely perfect. So, acknowledging that if you say "test device" it's not totally clear whether it's for test or being tested, my industry also uses DUT as an acronym for device under test.

DUT - a manufactured product undergoing testing

I'd probably use article or device in your case. Object is another possibility.

  • Thanks, DUT is exactly what I was looking for! – FMashiro Nov 13 '19 at 7:09
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For an experiment, the word you want is probably sample:

a specimen taken for scientific testing or analysis.

It’s both widely understood and used in formal writing. Here’s an example from a research paper:

The characteristics of initial samples of paper are given in Table 1.

  • Thanks for taking the time to answer the question :) Sample would be a pretty good word indeed, however I do feel like stevesliva's answer, notably 'Device Under Test' fits my case the best. +1 regardless – FMashiro Nov 13 '19 at 7:09

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