nomogram
/ˈnɑməˌɡræm/
noun
- A graphical calculating device, usually a set of parallel or curved scales, that allows a user to find the value of a variable by aligning a straightedge with known values on other scales.
- Doctors sometimes rely on a nomogram to determine the correct dosage of medication for a patient.
- The engineer used a nomogram to quickly estimate the pressure drop in the pipeline.
- Instead of doing complex math, the pilot consulted a nomogram to calculate fuel consumption.