Planning a first-time trip to the Phoenix area and would like advice about the best time to visit with regard to the weather. I want to enjoy sitting by the pool, swimming, etc, as well as do some hiking and typical tourist things. However, I would prefer to avoid the extreme heat. Hide.
Medical Definition of aerobics. 1  1singular or plural in construction : a system of physical conditioning involving exercises (as running, walking, swimming, or calisthenics) strenuously performed so as to cause marked temporary increase in respiration and heart rate. 2  2: aerobic exercises.
Some definitions include a link to a page giving more information about the word. acid = any proton donor (H+); low pH, neutralize bases. aerobic = oxygen present. Aerobes are bacteria that require oxygen. agar = polysaccharides used to gel liquids for bacteria media and human foods including ice cream.