Assertion: metric system's base unit | /r/HasProperty | the gram
Facets:
Source sentences:
text: The base unit of mass, the gram, is so small that the platinum prototype was made of the kilogram; this still serves as the prototype in the SI.
text: It doesn’t really help that a base unit is gram and its subsequent higher unit is kilogram which is a thousand times in value.
text: The three most general base units in the metric system are the gram, meter, and liter.