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Cathodic Meaning: Definition, Examples, and Translations

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cathodic

[ˈkæθədɪk ]

Definition

Context #1 | Adjective

electrochemistry

Cathodic refers to a process or characteristic pertaining to the cathode, which is the electrode where reduction occurs in electrochemical reactions. In a galvanic cell, the cathode is the terminal that receives electrons from the anode and is typically associated with cathodic protection methods used to prevent corrosion in metals. Additionally, cathodic processes are crucial in electroplating, battery technology, and various electrochemical applications.

Synonyms

cathode-related, reduction-related.

Examples of usage

  • The cathodic currents can significantly reduce corrosion rates.
  • Electroplating often involves a cathodic process.
  • In a battery, the cathodic reaction is vital for energy discharge.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Science

  • In electrochemistry, the cathode is where reduction reactions take place, meaning electrons are gained.
  • Cathodic protection is a method used to prevent metal corrosion by making it the cathode in an electrochemical cell.

Technology

  • Cathodic displays were used in older television sets and computer monitors, utilizing cathode-ray tubes (CRTs) to project images.
  • Modern screen technologies like LCDs and LEDs replaced cathodic displays but are still integral in understanding electrical fundamentals.

Engineering

  • The design of cathodic systems is crucial in various engineering fields, particularly in preventing infrastructure degradation in pipelines.
  • Cathodic materials are often tested for durability in environments where they are exposed to electric currents.

Environmental Impact

  • Using cathodic protection systems can significantly reduce environmental damage by preventing metal structures from corroding.
  • These systems are essential in maintaining the safety and longevity of underwater pipelines, benefiting marine ecosystems.

Origin of 'cathodic'

Main points about word origin

  • The term originated from the Greek word 'kathodos', meaning 'descent', which reflects the flow of electric current.
  • The prefix 'cath-' relates to motion towards something, which is essential in understanding electric circuits.

The term 'cathodic' is derived from the word 'cathode,' which originates from the Greek word 'kathodos,' meaning 'way down' or 'path downward.' This etymology reflects the movement of electrons towards the cathode, as electrons are attracted to this electrode due to its positive polarity in electrochemical cells. The use of the term in electrochemistry dates back to the early 19th century as scientists studied the principles of electricity and electrolysis. Over time, the understanding and applications of cathodic processes have expanded, particularly in fields like corrosion science, battery technology, and electroplating, thus solidifying its importance in both theoretical and practical chemistry.

Word Frequency Rank

With rank #19,000, this word belongs to specialized vocabulary. While not common in everyday speech, it enriches your ability to express complex ideas.