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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - The low point in a solar orbit.

Usage examples (36)
  • Therefore, Earth is now beginning to make its closest approach to the sun (called perihelion).
  • An effect of this change is that the time of year that Earth is closest to the Sun, called perihelion, varies through the cycle.
  • Hence each planet is nearer to the sun at one part of its orbit than another; that point is called the perihelion, and the farthest point aphelion.
  • This point of the orbit is known as the perihelion, and at that point the velocity of the earth is at its greatest, because the earth is then nearest the sun. for more
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