a structure in the chloroplast of photosynthesizing cells, usu. one of an interconnected stack, having a pigmented membrane that is the site of photosynthesis. [< German Thylakoid (1961) < Greek thÈ³lakoeidá¸s resembling a bag =thylak(os) sack + -oÄidÄs -oid]
Round or rump roast almost two hours to reach medium rare, 3-pound roast six hours on low or longer. In a crock pot. On the stove top in a Dutch oven around two hours. Extra 15 minutes may be extended for medium or 30 minutes for well done. (source: http://www.ehow.com/way_5260879_long-cook-pound-roast.html).
Put meat in lower third of oven with roast meat and vegetables, stirring vegetables for, 20 minutes. Reduce temperature to 300 degrees and roast meat and vegetables until a meat thermometer registers 130 degree for medium-rare meat and vegetables are golden, about 20 to 25 minutes.at rump roast dry and season with salt and pepper. Put meat in a roasting pan, fat side up, and scatter sliced onion around it. In another roasting pan toss pearl onions, garlic, carrots and potatoes with oil and season with salt and pepper. Roast vegetables in upper third of oven, stirring once, 20 minutes.