n.
Pronunciation: me- ' trä-l ə -j ē
Function: noun
Etymology: French métrologie, from Greek metrologia theory of ratios, from metron measure ― more at MEASURE
Date: 1816
1 : the science of weights and measures or of measurement
2 : a system of weights and measures
– met · ro · log · i · cal \ ˌ me-tr ə - ' lä-ji-k ə l \ adjective
– me · trol · o · gist \ me- ' trä-l ə -jist \ noun