The American Heritage® Dictionary of the English Language, 4th Edition
n. A glycoside, C20H27NO11, commonly found in seeds and other plant parts of many members of the rose family, such as kernels of the apricot, peach, and bitter almond, which breaks down into hydrocyanic acid, benzaldehyde, and glucose.
n. a glycoside of benzaldehyde and hydrogen cyanide found in bitter almonds, and in the kernels of some other fruit
the GNU version of the Collaborative International Dictionary of English
n. A glucoside extracted from bitter almonds as a white, crystalline substance.
The Century Dictionary and Cyclopedia
n. A crystalline principle (C20H27NO11 + 3H2O) existing in bitter almonds, and in the leaves, etc., of species of the genus Prunus and of some of its near allies.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a bitter cyanogenic glucoside extracted from the seeds of apricots and plums and bitter almonds
Word Usage
"The kernels contain amygdalin, which contains cyanide."