: Re: How do you introduce terms? There's a few different styles for technical (academic) papers. Which is the preferred style to introducing new technical terms? For example, here is a paragraph

@Frith254

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As the comments to your questions mention, there is no preferred way, only maybe a preferred way in your field.
Let me sum up a few alternatives:
First, the style you are already using (but do not like):

But because local lighting models do not consider other scene geometry, it's not possible to directly model the effect of light bouncing from one piece of geometry to the next (interreflections), or geometry that blocks light from reaching a surface (shadows).

Well, nothing wrong with that. The term and its description are at one place. Easy to read, easy to understand.
Second, your style in reverse:

But because local lighting models do not consider other scene geometry, it's not possible to model interreflections (the effect of light bouncing from one piece of geometry to the next), or shadows (geometry that blocks light from reaching a surface).

Term and description are again at one place, but the text in parenthesis is longer. So you interrupt the "outer" sentence longer, which can be confusing and harder to digest.
Third, using footnotes:

But because local lighting models do not consider other scene geometry, it's not possible to model interreflections1, or shadows2.
1 the effect of light bouncing from one piece of geometry to the next
2 geometry that blocks light from reaching a surface

The main sentence stays short and clearly. But the reader has to move his eyes down, away from the text to read the footnote. And footnotes are normally written in a smaller font size. Pressing necessary info into small letters is neither a good practice in contracts, nor in academic papers.
Fourth, using a glossary/endnotes:
Text looks similar to the footnote example. You can have a bigger font, but know your reader has to flip pages to find the important information. So using a glossary as the only explanation source isn't a good idea. It is helpful as additional source. I.e. explain the term where it first appears (like in the first example) and again in a glossary, where the reader could look it up, if he forget what it means ten pages later.
Fifth, introducing terms before usage:

interreflection: the effect of light bouncing from one piece of geometry to the next
shadow: area where a geometry blocked light from reaching the surface
But because local lighting models do not consider other scene geometry, it's not possible to model interreflections or shadows.

I have read a book like that, and it was pretty awkward. I do not recommend this approach.

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