electrolytic-cell anode
51machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …
52electrorefining — “+ noun Etymology: electr + refining : refining of a metal (as copper) by electrolysis, the crude metal used as the anode going into solution and the pure metal being deposited upon the cathode called also electrolytic refining * * * /i lek troh… …
53oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
54atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …
55Extractive metallurgy — is the study of the processes used in the separation and concentration (benefaction) of raw materials. The field is an applied science, covering all aspects of the physical and chemical processes used to produce mineral containing and metallic… …
56Voltameter — A Voltameter is a scientific instrument used for measuring quantity of electricity. It should not be confused with a voltmeter which measures electric potential.The SI unit for quantity of electricity is the coulomb, while the SI unit for… …
57Anion — A negatively charged ion. Pronounced an I on. An anion is as opposed to a cation, which is a positively charged ion. * * * An ion that carries a negative charge, going therefore to the positively charged anode; in salts, acid radicals are anions …
58cathode — noun Etymology: Greek kathodos way down, from kata + hodos way Date: 1834 1. the electrode of an electrochemical cell at which reduction occurs: a. the negative terminal of an electrolytic cell b. the positive …
59polarization — 1. In electricity, coating of an electrode with a thick layer of hydrogen bubbles, with the result that the flow of current is weakened or arrested. 2. A change effected in a ray of light passing through certain media, whereby the transverse… …
60cath|ode — «KATH ohd», noun. 1. a negatively charged electrode. In an electrolytic cell or electron tube, electrons flow from the cathode to the anode. The filament in most vacuum tubes is a cathode. 2. the positive terminal of a battery or cell that sends… …
