Assertion: metric system's unit | /r/HasProperty | improvised
Facets:
value: piecemeal
type: MANNER
value: from everyday physical quantities
type: OTHER
Source sentences:
text: The units and unit magnitudes of the metric system which became the SI were improvised piecemeal from everyday physical quantities starting in the mid-18th century.
text: The units and unit magnitudes of the metric system which became the SI were improvised piecemeal from everyday physical quantities starting in the mid-18th century.