Related Words

Revolution: One complete orbit or cycle. In a natal chart, a planet's return to its natal degree upon completing a circuit of the map.

Revolutions Per Minute (RPM): The number of times per minute the shaft of the motor (machine) rotates. This is a function of design and the power supply.

Revolutions: The number of times the ball rolls over its circumference from when it is released until it contacts the pins; as a rule, more is better. However, it is also commonly referred to as the numb . . . View Full Definition

Solar Return, Solar Revolution: A horoscope erected for the exact time in a given year when the transiting Sun reaches the same position it held in the natal horoscope; used to project conditions for the year of interest.

MotoGP: The premier class of Grand Prix motorcycle racing. The sport combines high-speed motorcycles, which feature revolutionary technology, piloted by some of the most skillful riders in the world . . . View Full Definition

Redline: The maximum number of revolutions per minute an engine can run before damage occurs. The name is derived from the actual red line manufacturers typically put on the tachometer.

Tachometer: an instrument that measures the rotating speed of an engine in revolutions per minute (RPM) or in percent of the maximum RPM.

RPM: RPM is defined as Revolutions Per Minute. Horsepower, Torque, and RPM are interrelated by the formula: HP = Torque * RPM/5252.

Hyperlink: This is the clickable link in text or graphics on a web page that takes you to another place on the same page, another page or a whole other site. It is the single most powerful and importan . . . View Full Definition

Tropical Year: The average period of the revolution of the Earth around the Sun with respect to the vernal equinox. Its length is approximately 3 65.242,2 days. The tropical year determines the cycle of ch . . . View Full Definition