The Collaborative International Dictionary
Traversable \Trav"ers*a*ble\, a.
Capable of being traversed, or passed over; as, a traversable region.
Deniable; specifically (Law), liable to legal objection; as, a traversable presentment.
--Sir M. Hale.
Wiktionary
a. 1 Able to be traversed. 2 deniable; liable to legal objection
WordNet
adj. able to be traveled; "highway crews soon had the roads travelable" [syn: travelable]
Usage examples of "traversable".
An elementary particle would be stuck with a constant wormhole length, fixed at the moment of its creation, but a traversable wormhole would be free to tunnel its way into detours of arbitrary size.
Wormholes produced by electron-electron splicing would be traversable only by fundamental particles, but splicing together a few billion of them would further widen the resulting wormhole, rather than lengthening it, enabling a moderately sophisticated nanomachine to pass through.