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.
Best Answer: Electronegativity, which means an atom's ability to grab other electrons from other atoms. In a covalent bond, where electrons are being shared, one atom can grab an electron more strongly from the other on the basis of its electronegative strength-while the atoms are bonded together. Source(s): AP Chemistry. Jie Xi Kalicious Â· 4 years ago. Thumbs up.