- Of, pertaining to, or having several positions.
LM-57 — The LM 57 (Russian ЛМ 57 ) is the Soviet motor four axle tramcar. First prototype of this vehicle was built in 1957 (hence the 57 in the name) at the Leningrad Wagon Repair Plant (VARZ, ВАРЗ, Ленинградский Вагоноремонтный Завод Russian… … Wikipedia
Alkyne zipper reaction — The alkyne zipper reaction is a reaction which isomerizes an organic compound containing an internal alkyne into a terminal alkyne. This was first reported by Charles Allen Brown and Ayako Yamashita in 1975. [cite journal | author = C. A. Brown… … Wikipedia