1. a graphical calculating device consisting of three or more scales arranged so that a straight line connecting known values on two scales will give the related value on the third scale
Usage: technical; mathematics

Examples

• The engineer used a nomogram to quickly calculate the beam’s load capacity.
• Before calculators, nomograms were essential tools for complex mathematical computations.
• The nomogram allowed pilots to determine fuel consumption without lengthy calculations.
• Students learned to read the nomogram by connecting points with a straight edge.
• The medical nomogram helped doctors calculate proper drug dosages based on patient weight.
• Construction workers relied on nomograms to determine concrete mixing ratios.