A co-ordinating conjunction is a word such as `and', `or', or `but' which joins two or more words, groups, or clauses of equal status, for example two main clauses. Compare subordinating conjunction
The distance of any point in a curve or a straight line, measured on a line called the axis of ordinates or on a line parallel to it, from another line called the axis of abscissas, on which the corresponding abscissa of the point is measured