Definition of "methenamine" [methenamine]

• An organic compound, (CH2)6N4, used as a urinary tract antiseptic and in rubber vulcanizing. Also called hexamethylenetetramine. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Formaldehyde-releasing preservatives: DMDM hydantoin, diazolidinyl urea, imidazolidinyl urea, methenamine, quarternium-15 and sodium hydroxymethylglycinate are used as preservatives in cosmetics."
• "PCP was documented in the child's lungs at autopsy with Gomori methenamine silver staining and that never happens absent severe underlying immunodeficiency."
• "Slide 20: La b Di a g n o s i s To show the organism Skin clipping Stains - ZN, Fite Faraco, Gomori methenamine silver"