SIBO, the acronym for a condition called small intestinal bacterial overgrowth, is being researched as a possible cause of irritable bowel syndrome (IBS). Like many things related to IBS, the issue of SIBO being the underlying problem is complicated and marked by some controversy in the world of IBS research.
1 Hummock A ridge or pile of ice on an ice field. 2  Hummock A rounded knoll or hillock; a rise of ground of no great extent, above a level surface.3  Hummock Timbered land. 4  See Hammock. n hummock As much of any loose material as can be taken up in the hand with the fingers so bent: as, a hummock of meal. 2  n hummock A low hill of sand on the sea-shore.
Definition of humus. geology : a brown or black complex variable material resulting from partial decomposition of plant or animal matter and forming the organic (see 1organic 3a(1)) portion of soil.