cathode

Fetched 2026-10-26 (cache).

Synonyms: cathole, kathode

Antonyms: cathole, kathode

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|electricity}} An [[electrode]], of a [[cell]] or other [[electrically]] [[polarized]] device, through which a positive [[current]] of [[electricity]] flows [[outwards]] (and thus, [[electrons]] flow inwards). It can have either a negative or a positive [[voltage]] with respect to [[anode]] of the same polarized device (depending on whether the device is a load or a source, respectively).
2. {{lb|en|by extension}} The electrode at which chemical [[reduction]] of [[cations]] takes place, usually resulting in the [[deposition]] of [[metal]] onto the electrode.
3. {{lb|en|electronics}} The electrode from which electrons are emitted into a {{w|vacuum tube}} or {{w|gas-filled tube}}.
4. {{lb|en|electronics}} That electrode of a [[semiconductor]] device which is connected to the [[n-type]] material of a [[p-n junction]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.