1 the distance around a person's body
2 stable gear consisting of a band around a horse's belly that holds the saddle in place [syn: cinch]
2 tie a cinch around; "cinch horses" [syn: cinch]
- Rhymes: -ɜː(r)θ
the distance measured around an object
- Czech: obvod
- French: circonférence
- German: Sattelgurt
The girth of an object is a measurement around it. It is sometimes used by postal services and delivery companies as a basis for pricing. For example, Canada Post requires that an item's length plus girth not exceed a maximum allowed value. For a rectangular box, the girth is 2 * (height + width), i.e. the perimeter of a cross section perpendicular to its length.
In graph theory, the girth of a graph is the length of the shortest cycle contained in the graph. If the graph does not contain any cycles, its girth is defined to be infinity. For example, a 4-cycle (square) has girth 4. A grid has girth 4 as well, and a triangular mesh has girth 3. A cubic graph of girth g that is as small as possible is known as a g-cage. The Petersen graph is the unique 5-cage (it is the smallest cubic graph of girth 5), the Heawood graph is the unique 6-cage, and the Tutte eight cage is the unique 8-cage. A graph with girth ≥ 4 is triangle-free.
girth in Polish: Obwód grafu
girth in Simple English: Girth
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