noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An instrument for measuring and recording the work done by a single muscle or set of muscles, the rate of fatigue, etc.
2. 2
   A graph that shows a relation between human activities, or agricultural/climate factors, and a seasonal year.

Etymology

Etymology 1

From ergo- + -graph.

Etymology 2

From ergo- + graph, coined by Dr. Arthur Geddes of the University of Edinburgh.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.