lyons
- n a city in east-central France on the Rhone River; a principal producer of silk and rayon
- n the council in 1274 that effected a temporary reunion of the Greek Orthodox with the Roman Catholic Church
- n the council of the Western Church in 1245 that excommunicated Holy Roman Emperor Frederick II and planned a new crusade against the Holy Land
- n a city in east-central France on the Rhone River; a principal producer of silk and rayon
lyophilisation
- n a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
lyophilization
- n a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
lypressin
- n an antidiuretic and vasoconstrictor used to treat diabetes insipidus
lyra
- n a small constellation in the northern hemisphere near Cygnus and Draco; contains the star Vega