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.
A clique is a set of vertices of a graph, each pair of which is joined by an edge and no set containing this set has this property. In a simple graph, the subgraph induced by a clique is a complete graph. Neighborhoods. Any pair of adjacent vertices in a graph are called neighbors.