Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]
5. form attributes
6. size/dimensions
7. [size/dimensions by unit]
8. [size/dimension units for distance]

Anotations

Scope note:

The fundamental units of length in the metric system (International Systems of Units, SI), equivalent to approximately 39.37 inches. Defined as the distance travelled by light in a vacuum in 1/299,792,458 second. Historically, the meter was defined by the French Academy of Sciences in 1791 as 1/10,000,000 of the quadrant of the Earth’s circumference from the North Pole through Paris to the equator.