# Abscissae

(in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis.
noun (pl) -scissas, -scissae (-ˈsɪsiː)
the horizontal or x-coordinate of a point in a two-dimensional system of Cartesian coordinates. It is the distance from the y-axis measured parallel to the x-axis Compare ordinate
n.

1690s, from Latin abscissa (linea) “(a line) cut off,” from fem. past participle of abscindere “to cut off,” from ab- “off, away” (see ab-) + scindere “to cut” (see shed (v.)).
abscissa
(āb-sĭs’ə)

Plural abscissas or abscissae (āb-sĭs’ē)
The distance of a point from the y-axis on a graph in the Cartesian coordinate system. It is measured parallel to the x-axis. For example, a point having coordinates (2,3) has 2 as its abscissa. Compare ordinate.

• Abscission

the act of cutting off; sudden termination. Botany. the normal separation of flowers, fruit, and leaves from plants. noun the separation of leaves, branches, flowers, and bark from plants by the formation of an abscission layer the act of cutting off n. “removal or cutting away,” early 15c., from Latin abscissionem (nominative abscissio) “a cutting […]

• Abscission layer

the layer of specialized, cutinized parenchyma cells that develops in the abscission zone, the disintegration of which causes abscission. noun a layer of parenchyma cells that is formed at the bases of fruits, flowers, and leaves before abscission. As the parenchyma disintegrates, the organ becomes separated from the plant

• Abscission zone

the zone at the base of a leaf petiole, fruit stalk, or branch in which the abscission layer develops.

• Abscond

to depart in a sudden and secret manner, especially to avoid capture and legal prosecution: The cashier absconded with the money. Contemporary Examples The Hashemites will not just surrender power and abscond to South Kensington. What A Romney Win Means For Israel Bernard Avishai November 4, 2012 Historical Examples I wondered what upon earth had […]

• Abscondee

a person who ; absconder.

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