Examples of deficit in a sentence. 1  The government is facing a deficit of $3 billion. 2  We will reduce the federal budget deficit. 3  The team overcame a four-point deficit to win the game.  She has a slight hearing deficit in her left ear.
The larger objects is at one of the two foci. For example, the Sun is at one of the foci of Earth's elliptical orbit. If the eccentricity of an ellipse is large, the foci are far apart. If the eccentricity is small, the foci are close together.et's take a look at the mathematical definition of an ellipse. First, place two points on a plane; these will be the foci of the ellipse. Now, pick a distance that is larger than the distance between the two foci. We'll call that distance 2a, for reasons that will become clear in a minute.
orbit. 1  apsis-The extreme point of an orbit. 2  eccentric-First meant not concentric as it referred to an orbit in which the Earth was not precisely in the center or straying from a circular path; the area where two circles overlap is the eccentric.rbit. the path in which something moves around a planet, star etc, eg the path of the Earth round the Sun or of a spacecraft round the Earth.