(chemistry) The net nuclear charge that an electron in an atom experiences, after subtracting the nuclear charge shielded by other electrons.

plural of effective radiated power

plural of effective nuclear charge

(economics) The higher growth rate of businesses with higher market share in those segments of economy in which the value of a product or service depends on the compounding effects of the number of existing users of the product or a service, as is the case with telephone networks.

(usually in the plural) An item of personal property that one carries on one's person, including identification, jewelry, and clothing.

Third-person singular simple present indicative form of side-effect

plural of side-effect

(video games, chiefly role-playing games) An effect that modifies a character's status, either positively (e.g. strength increase) or negatively (e.g. poisoning).

plural of status effect

(meteorology) An effect of large bodies of fresh water on the weather of regions downwind.