Can I force the browser to use CSS @font-face instead of font installed on system?

Question

Do browsers ignore @font-face if they determine that a CSS-imported font is already installed on the client OS?

I have a number of uncommon fonts instal

Answer 1

From the edit in my question:

This seems to resolve the issue:

1. Ensure the CSS @font-face specification uses a different string for font-family than what is installed on the system.

2. When referencing the font elsewhere in CSS, use:

   font-family: System Installed Font Name, 'Imported Font Name', Fallback Font;