any of a class of synthetic compounds, as benzalkonium chloride, whose cations are colloidal in solution: used as antiseptics, wetting agents, and emulsifiers.
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
George, 1796–1872, U.S. painter. Contemporary Examples Historical Examples