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.
Electronegativity is tendency of an atom to attract shared pair of electrons towards itself in a chemical bond. Since it is only relative electron tendency, it has no specific units.Electronegativity is elated to: (a) Size of an atom.lectronegativity is the tendency of an element to attract a bonded pair of element towards it. Down a group, electronegativity of the elements decreases. Across a period, ele â¦ ctronegativity increases. 1 person found this useful.