# abscissae

CEFR C1 · Noun

Source: https://englishreference.com/word/abscissae
Updated: 2026-05-18

## Definition

the horizontal values on a graph that show where a point is located. It is the plural form of 'abscissa'.

For teachers: the plural form of 'abscissa', referring to the horizontal coordinates in a Cartesian coordinate system.

## Examples

- The researcher plotted the abscissae against the corresponding data points.
- When the scientist reviewed the graph, she noticed that the abscissae were not evenly spaced, which could affect the accuracy of the results.
- The mathematical model required the abscissae to be normalized to ensure that the variables remained consistent across different scales of measurement.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.