|Ψ the product of the electric displacement and the area across which it is displaced in an electric field|
|the offspring of a zebra and a donkey.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
The electric flux density across a given cross-sectional area in an electric field.