|a scrap or morsel of food left at a meal.|
|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.|
|electrochemistry (ĭ-lěk'trō-kěm'ĭ-strē) Pronunciation Key
The scientific study of the electrical aspects of chemical reactions, especially the changes they bring about in the arrangement and energy of electrons. Electrochemistry is vital to the study of electrolysis, power generation by electric cells, and the transmission of electrical signals by neurons.