circumference

nouns

the size of something as given by the distance around it
circumference, perimeter
the boundary line encompassing an area or object
"he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe"
circuit, circumference
is derived from
circumferential
is derived from
circumferent
the length of the closed curve of a circle
circumference
is a type of (narrower)
the linear extent in space from one end to the other; the longest dimension of something that is fixed in place
"the length of the table was 5 feet"
length