While both irritable bowel syndrome and inflammatory bowel disease can have similar symptoms including abdominal pain, diarrhea, and urgent bowel movements; however, IBS is not the same as IBD. IBD is a group of separate diseases that includes ulcerative colitis and Crohn's disease, and is a more severe condition.
psychrometer - a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air. dry-bulb thermometer - an ordinary thermometer with a dry bulb; used to measure the air temperature. hygrometer - measuring instrument for measuring the relative humidity of the atmosphere. wet-bulb thermometer - a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity.
Compact fluorescent bulbs, also known as CFLs, contain a fluorescent tube and ballast in a single unit, and are designed to replace incandescent bulbs. A 23- to 27-watt CFL provides the same amount of light as a traditional 100-watt incandescent bulb while consuming about 75 percent less energy.