(mineralogy) A hydrated silicate mineral found in sodium- and calcium-dominated forms.

(obsolete, transitive) To shorten by omitting parts or details. / (obsolete, intransitive) To speak or write in a brief manner.

plural of Levenson

An organic compound with the formula C₆H₄(NH)₂(CO)₂. / Any of a family of related compounds sharing the same bicyclic core, many of them drugs.