The mechanism of action of probiotics (e.g., having an impact on the intestinal microbiota or enhancing immune function) was dropped from the definition to encompass health effects due to novel mechanisms and to allow application of the term before the mechanism is confirmed.
Noun. 1. electronegativity - (chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond. negativity.
How electrons interact with each other depends on the atomsâ electronegativity , electronegativity is the ability of an atom in a molecule to attract electrons to itself. A large electronegativity difference between two atoms results in an ionic bond. A small electronegativity difference results in a polar covalent bond.