An imaginary circle surrounding a sphere. E. of a cell, the boundary of the plane through which division takes place. E. of the eye, the eeqtcator oculi; the boundary of the transverse and central vertical plane of the eye. E. of a Lens, the angular edge at the meeting of the anterior and posterior surfaces of the lens.
Did you find this definition of EQUATOR helpful? You can share it by copying the code below and adding it to your blog or web page. Definition of EQUATOR