pseudoroot

noun3

1. •
   Any projection or nodule, such as the hypha of a fungus, that has a rootlike appearance without serving as an actual root.

   • 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. — 2023
2. •
   A value that appears to be a root of a polynomial equation but that is not actually a root, such as one obtained when factors cancel out in the process of solving the equation.

   • This allows one to express coefficients of polynomials in terms of pseudoroots. — 2016
3. •
   A fake root word.