Growth or movement of a plant or animal toward or away from an external stimulus, such as light, heat, or gravity. tropism. the tendency of a plant, animal, or part to move or turn in response to an external stimulus, as sunlight or temperature. â tropistic, adj.
The definition of a graph is a diagram showing the relationships between two or more things. An example of graph is a pie chart. Graph is defined as to create a diagram that shows a relationship between two or more things. An example of graph is to create a series of bars on graphing paper.
[graf, grahf] /grÃ¦f, grÉf/. noun. 1. a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc. 2. Mathematics. a series of points, discrete or continuous, as in forming a curve or surface, each of which represents a value of a given function.