(n.) The quarter of a circle, or of the circumference of a circle, an arc of 90!, or one subtending a right angle at the center.
QUADRANT
Meaning of QUADRANT in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) The quarter of a circle, or of the circumference of a circle, an arc of 90!, or one subtending a right angle at the center.
Webster's English dictionary. Английский словарь Webster. 2012