adj. Capable of collapsing or being collapsed; as, a collapsible boat. [ Narrower terms: telescopic; tip-up ] Also See: folded. Antonym: noncollapsible.
Syn. -- collapsable. [ WordNet 1.5 ]

n. [ L. collapsio. ] Collapse. [ R. ] Johnson. [ 1913 Webster ]

n. A falling down, or out of place; prolapsion. [ 1913 Webster ]

n. The act of elapsing. [ R. ] [ 1913 Webster ]

a. Liable to lapse. [ 1913 Webster ]

a. See Lopsided. [ 1913 Webster ]

adj. 1. not able to be folded into a compact form. Opposite of collapsible. [ Narrower terms: nontelescopic, nontelescoping ] [ WordNet 1.5 ]

n. [ L. prolapsio. ] (Med.) Prolapse. [ Written also prolaption. ] [ Obs. ] [ 1913 Webster ]

a. Marked by a relapse; falling back; tending to return to a former worse state. [ 1913 Webster ]

Relapsing fever (Med.), an acute, epidemic, contagious fever, which prevails also endemically in Ireland, Russia, and some other regions. It is marked by one or two remissions of the fever, by articular and muscular pains, and by the presence, during the paroxism of spiral bacterium (Spirochaete) in the blood. It is not usually fatal. Called also famine fever, and recurring fever. [ 1913 Webster ]