anode

English

/ˈæn.əʊd/, /ˈæn.oʊd/

noun
Definitions
  • (electricity) An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows inwards (and thus, electrons flow outwards). It can have either a negative or a positive voltage.
  • (chemistry) The electrode at which chemical oxidation of anions takes place, usually resulting in the erosion of metal from the electrode.
  • (electronics) The electrode which collects electrons emitted by the cathode in a vacuum tube or -filled gas-filled tube.
  • (electronics) That electrode of a semiconductor device which is connected to the p-type material of a p-n junction.

Etymology

Derived from Ancient Greek ἀνα- (up, up to, thoroughly, upwards, backwards, again, on, upon).

Origin

Ancient Greek

ἀνα-

Gloss

up, up to, thoroughly, upwards, backwards, again, on, upon

Concept
Semantic Field

Spatial relations

Ontological Category

Other

Kanji

上

Emoji
☝️ 👆️ 👍️

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms