Persistent
Pronunciation : Per*sist"ent
Part of Speech : a.
Etymology : [L. persistens, -entis, p.pr. of persistere. See Persist.]
Definition : 1. Inclined to persist; having staying qualities; tenacious of position or purpose.
2. (Biol.)
Defn: Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; -- opposed to deciduous, and caducous.
Source : Webster's Unabridged Dictionary, 1913