preformative noun & adjective.
[pri:'fɔ:mǝtɪv] E19.[from PRE- 1 + FORMATIVE.]A. noun. Chiefly
Semitic Grammar. A particle prefixed as a formative element. Cf.
AFFORMATIVE.
E19.b. adjective.
1. Chiefly
Semitic Grammar. Of a particle: prefixed as a formative element.
E19.2. Having the quality or capacity of forming beforehand.
M19. [TahlilGaran] English Dictionary ▲