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Term Definition
Alkaloid An organic, nitrogen-based compound found in plants that are often somewhat toxic. Alkaloids may protect plants from predation by herbivores and others, such as the cafeine found in coffee (), are of economic importance.
Aniline An organic compound used in maing dyes and plasics.
Pome An indehiscent fleshy fruit consisting of seeds surrounded by the pericarp which is in turn are surrounded by fleshy tissue derived from the hypanthium. This fruit type is found in species of Rosaceae subfam. Maloideae. Because part of the fruit is derived from the hypanthium, i.e. both the ovary and the hypanthium are part of the fruit, a pome is also considered to be a type of accessory fruit. The fruit of an apple. Photos by S. A. Mori.