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Meaning of dimethylnitrosamine

di•meth•yl•ni•tros•a•mine

Pronunciation: (dī-meth"ul-nī-trō'su-mēn", -nī"trōs-am'in), [key]
— n. Chem.
  1. a yellow, water-soluble carcinogenic liquid, CHNO, found in tobacco smoke and certain foods: known to be a potent carcinogen. Abbr.: DMN, DMNA
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.