graph
UK[ɡrɑːf]US[ɡræf]
n
A diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
n
A collection of vertices and edges connecting pairs of vertices, representing relations in discrete mathematics.
v
To plot or trace on a graph.
Morpheme Breakdown
graph
graph
writing, drawing
Etymology
The word 'graph' is a direct borrowing from the Greek suffix '-graphos', meaning "that which writes or records," derived from the verb 'graphein', "to write, draw, or scratch." This Greek term itself can be traced back to the Proto-Indo-European root gerbh-, meaning "to scratch, carve." The semantic journey is remarkably direct: from the physical act of scratching marks onto a surface to the abstract concept of creating a visual record. In the 19th century, 'graph' was shortened from 'graphic formula' in scientific contexts, solidifying its modern meaning as a diagrammatic representation of numerical data or mathematical relationships, thus maintaining its core logic of a drawn record.
Analysis
Structure: graph (writing, drawing)
The morpheme 'graph' originates from Greek (graphē), meaning "writing, drawing, or a thing written." In this word, it functions as the core root, conveying the concept of a visual representation of data or relationships.
Examples
The scientist plotted the temperature data on a line graph.
This complex network can be modeled as a connected graph.
Please graph the equation to visualize the function's behavior.