Definition

1. Adjective:
   • Pertaining to or associated with a cathode: Describes something that relates to, is located at, or involves the cathode, which is the negatively charged electrode in an electrical device or system, such as a battery or an electrolytic cell.

Usage

• The term "cathodic" is primarily used in scientific and technical contexts, especially in physics, chemistry, and engineering. It is used to describe processes, properties, or components related to the cathode.
• It is often used attributively (before a noun) to modify other terms.

Examples

• Adjective:
  • Cathodic protection is a technique used to control the corrosion of a metal surface.
  • The researcher studied the cathodic reaction occurring in the fuel cell.
  • Cathodic deposition is a common method in electroplating.

Advanced Usage

• "Cathodic polarization": A decrease in the potential of a cathode, often discussed in electrochemistry.
  • Cathodic polarization can affect the rate of metal deposition.
• "Cathodic current": Electrical current that flows toward or through a cathode.
  • The experiment measured the cathodic current in the circuit.

Variants and Related Words

• Cathode (n): The electrode where reduction (gain of electrons) occurs; the negative terminal in a device that consumes electricity (e.g., a battery during discharge).
• Anodic (adj): Pertaining to or associated with an anode (the positively charged electrode). This is the direct antonym in electrochemical contexts.

Synonyms

• Negative-electrode-related (descriptive synonym, less common)
• Pertaining to the cathode (definitional synonym)

Antonyms

• Anodic: Pertaining to or associated with an anode.

Adjective

1. of or at or pertaining to a cathode
   • cathodic deposition of metals