• 3d pers. sing. pres. of Rise, contracted from riseth.
<abbreviation> Radioimmunosorbent test. ... (05 Mar 2000) ... 
radioimmunosorbent test.
Rist obsolete 3d pers. sing. present of Rise , contracted from riseth . Chaucer. 
Type: Abbreviation Definitions: 1. Abbreviation for radioimmunosorbent test.
A principle of land tenure among the Amhara and, with some variations, among the Tigray. Rist rights are land-use rights that any Amhara or Tigray, peasant or noble, can claim by virtue of descent through males and females from the original holder of such rights. Claims must be recognized by the cognatic descent group ( q.v. ). Once held, such rig...