noun
characteristic curve
Technical term used in engineering, physics, and electronics to describe a graph showing the relationship between two variables that define a system's behavior.
このトランジスタの特性曲線を測定してください。
Please measure the characteristic curve of this transistor.
特性曲線から、この材料の降伏点がわかる。
From the characteristic curve, the yield point of this material can be determined.
Compound of 特性 (characteristic) + 曲線 (curve). A straightforward technical term with no irregular etymology.