- bra|chis|to|chrone
- bra|chis|to|chrone «bruh KIHS tuh krohn», noun.Geometry. the curve in which a body descending to a given point under an external force will reach another point in the shortest possible time; the curve of quickest descent.╂[< Greek bráchistos shortest (< brachýs short) + chrónos time]
Useful english dictionary. 2012.