Cathode - Law Dictionary Search Results
Home Dictionary Name: cathodeLenard rays
Rays emanating from the outer surface of a plate composed of any material permeable by cathode rays as aluminium which forms a portion of a wall of a vacuum tube or which is mounted within the tube and exposed to radiation from the cathode Lenard rays are similar in all their known properties to cathode rays So called from the German physicist Philipp Lenard b 1862 who first described them...
Beta rays
a form of ionizing radiation emitted by radioactive substances such as radium more penetrating than alpha rays and consisting of negatively charged electrons The electrons are the same kind of particle as those of cathode rays but have much higher velocities about 35000 to 180000 miles per second They are readily deflected by a magnetic or electric field...
Catelectrotonus
The condition of increased irritability of a nerve in the region of the cathode or negative electrode on the passage of a current of electricity through it...
Cathode
The part of a voltaic battery by which the electric current leaves substances through which it passes or the surface at which the electric current passes out of the electrolyte the negative pole opposed to anode...
Cathodic
A term applied to the centrifugal or efferent course of the nervous influence...
Cation
a positively charged atom radical or molecule which in electrolysis migrates to the cathode a positive ion opposed to anion...
CRO
acronym for cathode ray oscilloscope an electronic device which provides visual images of varying electrical quantities See oscilloscope...
Crookes space
The dark space within the negative pole glow at the cathode of a vacuum tube observed only when the pressure is low enough to give a striated discharge called also Crookes layer...
electrophoresis
the motion of charged molecules or particles in a liquid medium under the influence of an electric field particles with a positive charge move toward the cathode and negative to the anode...
electroplating
The art or process of depositing a coating commonly of silver gold or nickel on an inferior metal by means of an electric current The metal to be deposited on an article is usually used as the anode and the article to be plated as the cathode in an electrolyte solution in which the plating metal is the cation The process is conducted in a tank called an electroplating bath which holds the electrolyte solution...
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