a positively charged ion that is attracted to the cathode in electrolysis.
any positively charged atom or group of atoms (opposed to anion).
a positively charged ion; an ion that is attracted to the cathode during electrolysis Compare anion
1834, from Greek kation “going down,” neuter present participle of katienai “to go down,” from kata “down” (see cata-) + ienai “to go” (see ion). Proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English physicist Michael Faraday.
cation cat·i·on (kāt’ī’ən)
An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.
An ion with net positive charge, having more protons than electrons. In electrolysis, cations migrate to a negatively charged cathode. Compare anion.
- Cationic cocktail
hardware (Or “Downy cocktail”) Diluted fabric softener sprayed on computer room carpets to prevent static electricity from being built up by feet shuffling on carpet. The canonical cationic cocktail is one part unscented liquid fabric softener (in the US, usually “Downy” brand) to five parts water. “Cationic” is the chemical term for the most common […]
any of a class of synthetic compounds, as benzalkonium chloride, whose cations are colloidal in solution: used as antiseptics, wetting agents, and emulsifiers. noun a type of detergent in which the active part of the molecule is a positive ion (cation). Cationic detergents are usually quaternary ammonium salts and often also have bactericidal properties
a spike of unisexual, apetalous flowers having scaly, usually deciduous bracts, as of a willow or birch. Historical Examples noun an inflorescence consisting of a spike, usually hanging, of much reduced flowers of either sex: occurs in birch, hazel, etc Also called ament n. 1570s, from Dutch katteken “flowering stem of willow, birch, hazel, etc.,” […]
resembling or typical of a cat: catlike eyes. swift and graceful. stealthy and noiseless: The scouts crept up on their quarry with catlike tread. Contemporary Examples Historical Examples