dynamometer
UK[ˌdaɪ.nəˈmɒm.ɪ.tər]US[ˌdaɪ.nəˈmɑː.mə.t̬ɚ]
n
An instrument for measuring mechanical force or power, especially the output of an engine.
Morpheme Breakdown
dynamo
meter
dynamo
power
meter
measure
Etymology
The word 'dynamometer' is a modern scientific compound formed from two ancient Greek roots. The first element, 'dynamo-', originates from dynamis, meaning "power" or "force," a concept central to physics. The second element, '-meter', derives from metron, meaning "measure," a root foundational to quantification. Combined in the 19th century, the term's literal construction, "power-measurer," directly and logically describes its function: an instrument designed to measure mechanical force or power output, such as that produced by an engine or motor.
Analysis
Structure: dynamo (power) + meter (measure)
dynamo: From Greek dynamis (power, force). A combining form meaning "power" or "force".
meter: From Greek metron (measure). A combining form meaning "a measuring device".
Examples
The engineers used a dynamometer to test the horsepower of the new prototype.
Regular calibration of the dynamometer is essential for accurate performance data.
The chassis dynamometer simulates road conditions to measure a vehicle's power under load.