As nouns the difference between circumference and semicircumference
is that
circumference is (geometry) the line that bounds a circle or other twodimensional figure while
semicircumference is one half of the circumference of a circle.
As a verb circumference
is (obsoletetransitive) to include in a circular space; to bound.
Other Comparisons: What's the difference?
circumference Noun
( en noun)
(geometry) The line that bounds a circle or other twodimensional figure
(geometry) The length of such a line
(obsolete) The surface of a round or spherical object
Synonyms
* (distance measured around any object ): girth
* (distance measured around a race track ): lap
Related terms
* diameter
* radius
* perimeter
Verb
( circumferenc)
(obsolete) To include in a circular space; to bound.
 (Sir Thomas Browne)

semicircumference English
Noun
( en noun)
One half of the circumference of a circle
