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.
Fovea: The pit or depression at the center of the macula that provides the greatest visual acuity. Iris: The colored ring of tissue behind the cornea that regulates the amount of light entering the eye by adjusting the size of the pupil.