# Meaning of “abscissa” in the English Dictionary

## "abscissa" in English

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### abscissanoun [ C ]

/æbˈsɪs.ə/ /æbˈsɪs.ə/ specialized

a number on an X-axis that shows the coordinate of a point

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Examples from literature

• In the figure it will be noticed that the rising portion of the curve is somewhat steep, and the recovery convex to the abscissa, the fall being relatively rapid in its first, and less rapid in its later, parts.
• In this cause-and-effect curve, the first part is slightly convex to the abscissa, the second straight and ascending, and the third concave.
• The curve as a whole becomes, first slightly convex to the abscissa, then straight and ascending, and lastly concave.
• The ordinate in these curves represents the E.M. variation, and the abscissa the time.
• To provide for such cases the curve is drawn as if it never touched the abscissa.

(Definition of “abscissa” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

## "abscissa" in American English

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### abscissanoun [ C ]

/æbˈsɪs·ə/

mathematics the first number in a pair; a number on an X-axis (= line) that shows the coordinate (= place along that line) of a point

(Definition of “abscissa” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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