| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a scrap or morsel of food left at a meal. |
nitrile ni·trile or ni·tril (nī'trəl)
n.
An organic cyanide containing a CN group.
| nitrile also nitril (nī'trəl) Pronunciation Key
An organic compound, such as acrylonitrile, containing the cyanide group CN. Nitriles are typically colorless solids or liquids and have a distinctive smell. |
nitrile
any of a class of organic compounds having molecular structures in which a cyano group (C N) is attached to a carbon atom (C). Nitriles are colourless solids or liquids with distinctive odours.
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