Let me help you out. em·pir·i·cism (m-pîr-szm) n. 1. Employment of empirical methods, as in science. 2. The practice of medicine that disregards scientific theory and relies solely on practical experience. http://medical-dictionary.thefreedictionary.com/Empirical+science Biology is not an empirical science. Unless of course you can provide a link. Medicine is.