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anode
[ an-ohd ]
noun
- the electrode or terminal by which current enters an electrolytic cell, voltaic cell, battery, etc.
- the negative terminal of a voltaic cell or battery.
- the positive terminal, electrode, or element of an electron tube or electrolytic cell.
anode
/ əˈnɒdɪk; ˈænəʊd; eɪˈnəʊdəl /
noun
- the positive electrode in an electrolytic cell
- Also called (esp US)plate the positively charged electrode in an electronic valve
- the negative terminal of a primary cell Compare cathode
anode
/ ăn′ōd′ /
- The positive electrode in an electrolytic cell, toward which negatively charged particles are attracted. The anode has a positive charge because it is connected to the positively charged end of an external power supply.
- The positively charged element of an electrical device, such as a vacuum tube or a diode, to which electrons are attracted.
- The negative electrode of a voltaic cell, such as a battery. The anode gets its negative charge from the chemical reaction that happens inside the battery, not from an external source.
- Compare cathode
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Derived Forms
- anodal, adjective
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Word History and Origins
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Word History and Origins
Origin of anode1
C19: from Greek anodos a way up, from hodos a way; alluding to the movement of the current to or from the positive pole
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Example Sentences
On the anode side, purple permanganate ions are seen rising toward the positive electrode.
From Project Gutenberg
The plate where the current goes in, the anode, A (Fig. 247), loses in weight since some of the silver is dissolved.
From Project Gutenberg
It is best to use a fine silver anode, so that the solution, does not get contaminated by copper.
From Project Gutenberg
If the area of the cathode exceeds that of the anode the solution is said to grow weaker, and vice versa.
From Project Gutenberg
As the masses grow towards the anode the defect naturally tends to increase of itself, hence the necessity for care.
From Project Gutenberg
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