Libreoffice contains basic dictionaries, but they do not contain scientific terms.
I suppose that there are many scientists out there that have gathered personal dictionaries of scientific words, from different disciplines and languages.
There are many “are there dictionaries for the field x” type questions here, and I suppose the answer is: no but there could be.
So let’s collaborate!
I made a tool to format the dictionary files. Currently it needs to be used locally, but hopefully soon automatically ran on pull requests to make them extremely easy and beginner friendly