cation-exchange resin n.
An insoluble organic polymer having negatively charged radicals attached to it that can attract and hold cations in a surrounding solution.
a positively charged ion that is attracted to the cathode in electrolysis. any positively charged atom or group of atoms (opposed to anion). noun a positively charged ion; an ion that is attracted to the cathode during electrolysis Compare anion n. 1834, from Greek kation “going down,” neuter present participle of katienai “to go down,” […]
- 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.,” […]