ALL meanings of subtangent
sub·tan·gent
S s - noun subtangent the part of the x-axis cut off between the ordinate of a given point of a curve and the tangent at that point. 1
- noun subtangent a segment of the x-axis lying between the x-coordinate of the point at which a tangent is drawn to a curve and the intercept of the tangent with the axis 0
- noun subtangent the segment of the x-axis included between the ordinate of a given point on a curve and the tangent at that point 0