(ËstÉr tÉr) n. 1. a person or thing that starts. 2. a person who gives the signal to begin, as for a race or the running of a train, elevator, etc. 3. a device that starts an internal-combustion engine without a need for cranking by hand. 4. a person or thing that starts in a race or contest.
Body temperature may be abnormal due to fever (high temperature) or hypothermia (low temperature). A fever is indicated when body temperature rises about one degree or more over the normal temperature of 98.6 degrees Fahrenheit, according to the American Academy of Family Physicians. Hypothermia is defined as a drop in body temperature below 95 degrees Fahrenheit.
Thermometers are used to measure the body temperature and can be calibrated in degrees Fahrenheit (Â°F) or degrees Celsius (Â°C) depending on the global region. The normal body temperature of 98.6Â°F (37Â°C) is actually an average of temperatures.A person's normal temperature can fluctuate 1Â°F (0.6Â°C) or more or below 98.6; additionally, the body temperature fluctuates the same amount throughout the day-lower in the morning and evening while higher at mid-day.he normal body temperature of 98.6Â°F (37Â°C) is actually an average of temperatures. A person's normal temperature can fluctuate 1Â°F (0.6Â°C) or more or below 98.6; additionally, the body temperature fluctuates the same amount throughout the day-lower in the morning and evening while higher at mid-day.