Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
(dī·fos′jēn) noun Chem. A chemical warfare agent, C2O2CI4, an oily liquid with a suffocating odor and a destructive effect on the lungs.
Comment about this word, ask questions, or add new information about this topic: