As you may have noticed, above you will find words for "A quantitative metric that measures how well a particular mask or respirator fits to a specific individual's face, defined as the ratio of the ambient concentration of aerosol particles to the concentration within the facepiece during use.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.