# abscissa

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Related to abscissas: Coordinate axes, ordinates

## abscissa

[ab-sis´ah]the horizontal line in a graph along which are plotted the units of one of the variables considered in the study, as time in a time-temperature study. The other line is called the ordinate.

## ab·scis·sa

(ab-sis'ă),In a plane cartesian coordinate system, the horizontal axis (

*x*). Compare: ordinate. [L.

*ab-scindo,*pp.*-scissus,*to cut away from]## abscissa

/ab·scis·sa/ (ab-sis´ah) the horizontal line in a graph along which are plotted the units of one of the factors considered in the study. Symbol .## abscissa

[absis′ə]

Etymology: L,

*ab,*away;*scindere,*to cuta point on a horizontal Cartesian coordinate plane measured from the

*y*-axis (or vertical axis) running perpendicular to the plane, or the*x*-axis.## ab·scis·sa

(ab-sis'ă)In a plane cartesian coordinate system, the horizontal axis (

*x*).[L.

*ab-scindo,*pp.*-scissus,*to cut away from]## abscissa

the horizontal line in a graph along which are plotted the units of one of the factors considered in the study, as time in a time-temperature study. The other line is called the ordinate.

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