There is a middle ground, if the author cares enough: the `<abbr>`[1] and `<acronym>`[2] markup tags were designed to solve those problems in an unobtrusive way. It makes folks unfamiliar able to hover-over (or long-press, I believe) the dotted underlined terms to know, and stays out of the way for those who already know them

1: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/ab...

2: (evidently deprecated but still parsed) https://developer.mozilla.org/en-US/docs/Web/HTML/Element/ac...