Questions tagged [terminology]

For questions about terms, definitions and related concepts used in science and mathematics.

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5
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0answers
96 views

Who was the first to use the phrase “the standard model” of something?

I was doing some reading on stellar structure, and I noticed the phrase "the standard solar model" used to describe the structure of the Sun, and stars in general. It reminded me of the Standard Model ...
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3answers
922 views

How did we come up with the name “atomic bomb”?

At first, my initiate question was: What is the difference between an atomic and a nuclear bomb?: Nuclear bombs are of two types — those that depend on fission, like atomic bombs, and those that ...
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1answer
150 views

What is the origin of the term recombination?

During the introductory lecture to a cosmology course I'm currently taking, there was a brief discussion of some of the "highlights" of the Big Bang model. One of these is, of course, recombination. ...
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1answer
1k views

How did the term “Michel electron” come about?

The Michel electron is what we call the electron produced from muon decay, and it's named after Louis Michel. I mention this in a paper I'm writing, and I was told that I need to cite it. I can't find ...
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0answers
133 views

History of the Wreath product

Why is the wreath product so named? If possible, please provide a citation.
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1answer
5k views

Who invented the mole?

Who invented, or first used, the concept of the mole? I did my own research and the closest I came was Avogadro’s constant, which was made not by Avogadro but rather by Jean Baptiste Perrin. However, ...
7
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1answer
732 views

Why is the Heaviside step function named after Heaviside?

The Heaviside step function is usually defined as $$ \theta(x)=\left\{\begin{array}{ll}0&\text{if }x<0\\\tfrac12&\text{if }x=0\\1&\text{if }x>0.\\\end{array}\right. $$ It is ...
17
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1answer
4k views

Why did angular momentum get the letter L

Note - this question was inspired by this questions on physics.SE. Many (most) physical quantities are denoted with a single letter - latin or greek. For many, the letter chosen makes sense: $t$ for ...
11
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2answers
353 views

What's the etymology of an engineering/software bug?

I read the Wikipedia page on Software bugs. It does have a section on its etymology. Albeit interesting it doesn't answer my question but merely notes that the term bug was used in 1878: Use of the ...
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1answer
89 views

Origin of “world-line?”

The term "world-line" is a little odd in English. Google n-grams shows the English term going back to 1915 in the books google has scanned. Is its origin in Minkowski, Raum und Zeit (1909), ...
9
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1answer
874 views

When and by whom was the term 'momentum' introduced?

We know that up to 1726, when the third edition of the Principia was published, the name for $m\vec v$ was: quantitas motus. Do you know who substituted that with another Latin word: 'momentum'?
7
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1answer
252 views

When was the term 'elementary function' first coined and who did it?

The definition of what an elementary function is is quite arbitrary (see what math.SE has to say about it) and it makes me wonder why hasn't the mathematical community added other rather natural ...
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1answer
295 views

How did the 'Poincaré patches' get their name?

De Sitter space and Anti de Sitter space are two of the most important solutions to the Einstein field equations. One famous method to obtain these spacetimes is to consider a $N$-dimensional ...
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3answers
289 views

Is “de” in “de Morgan” supposed to be capitalized or not?

I am currently writing about the "de Morgan's laws" and have seen both "de Morgan" and "De Morgan." Which of these is correct?
5
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1answer
131 views

What's the origin and meaning of the adjective “free” in mathematics?

It's pretty common to call a group, ring or module free when it has a 'basis', but unlike other mathematical definitions whose names can be easily related to the concept they describe (e.g. the ...
10
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1answer
516 views

Where did the naming structure of particles come from (suffix -on)?

I was looking at a list of particles, and I noticed that many of them ended in -on. Proton, electron, neutron, lepton, etc. Is there a historical (or linguistic) reason behind this naming structure?
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4answers
860 views

Did ancient/medieval non-European cultures have a concept of energy? If so, what are the similarities and differences to the modern concept?

For example, do we find something related to the modern energy concept in Ancient China, Ancient India, or the Islamic Golden Age? Among "similarities and differences", conservation is obviously ...
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2answers
709 views

What is the story behind various uses of the word “spectrum”?

Here are five distinct uses of the word spectrum in physics and mathematics: Spectrum (optics): The range of colors in the rainbow Spectrum (particle physics): The range of electromagnetic ...
7
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3answers
110 views

What was the definition of a scientist and how did it evolve? When was science categorized?

I'm asking this question as I've noticed that scientists like Gauss, Newton, Euler, Lagrange etc developed theories in many scientific fields(these ones that I know of were mostly interested in math ...
9
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1answer
116 views

What is the reason for the 'electromagnetism terminology' when discussing the conserved quantities found through Noether's theorem?

In (theoretical) physics, it is customary to describe the system under consideration in terms of the Lagrangian. One of the major advantages of this approach is that it allows us to analyze the ...