elapsed time - the time that elapses while some event is occurring. 1  period, period of time, time period - an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period. one-way light time, OWLT - the elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object.
In cases of allied or coalition (multinational) operations in tandem with USAF or Joint air and space operations, the AOC is called a Combined Air and Space Operations Center (CAOC).
calcium oxide. A whitish, odourless crystal widely used in industry; it is poorly soluble in water, and reacts with water to form calcium hydroxide (CaOH), a base. It has a melting point of 2614ÂºC and a boiling point of 2850ÂºC.