In Experiment 1, pseudowords made up of Italian derivational suffixes of various frequencies and meaningless pseudoroots were contrasted to pseudowords in which the same pseudoroots were combined with control orthographically legal final sequences.
Source: wiktionary
This allows one to express coefficients of polynomials in terms of pseudoroots.
Source: wiktionary
In addition, pseudoroots of anaerobic fungi and various cellulases secreted by rumen microorganisms are the main reasons for the efficient degradation of lignocellulosic biomass in rumen fermentation.
Source: wiktionary