non·per·sis·tent 
(nŏn′pər-sĭstənt)
(nŏn′pər-sĭstənt)adj.
Having a short life or existence under natural conditions: a nonpersistent pesticide; a nonpersistent infection.
- antigenic
- antigenically
- antigenicity
- Antigone
- antigravity
- Antigua and Barbuda
- Antiguan
- antihelium
- antihemophilic factor
- antihero
- antiheroic
- antiheroine
- antiheroism
- antihistamine
- antihistaminic
- antihydrogen
- antihypertensive
- anti-infective
- registry
- regius professor
- reglet
- regnal
- regnant
- regolith
- regorge