(organic chemistry) An organic compound related to choline, with the difference that the terminal carboxylic acid group of trimethylglycine has been reduced to a hydroxyl group in choline.

Synonym of pseudoasymmetry

(pharmacology) A white crystalline powder C₁₁H₁₂I₃NO₂ administered orally as a radiocontrast medium in cholecystography.

plural of zeolite