ordinate

IPA/ˈɔːdɪnət/
IPA/ˈɔːrdɪnət/

ordinate — 名詞

  • ordinatesingular
  • ordinatesplural

1. in a coordinate system such as a graph, the value on the vertical (y) axis that

1.名詞C1
釋義

縱座標

座標對中表示垂直位置的第二個數值

in a coordinate system such as a graph, the value on the vertical (y) axis that fixes a point's up-down position, usually written as the second element of an ordered pair like (x, y).

例句

To plot point (7, 5), Rodrigo counted 5 units up the y-axis for the ordinate.

要在圖上標出 (7, 5) 這個點，Rodrigo 沿 y 軸向上數了 5 個單位來找出縱座標。

the ordinate of (x, y) pair — second element is the y-value

A point below the x-axis has a negative ordinate, such as -3.

x 軸下方的點其縱座標為負數，例如 -3。

ordinate + negative value for points below x-axis

常見搭配
  • the ordinate of a point
  • ordinate axis
  • ordinates of points
  • negative ordinate
  • positive ordinate
同義詞
  • y-coordinate

    more common in spoken maths; less formal

  • y-value

    simpler and used in basic arithmetic contexts

反義詞
  • abscissa

    the first number in the pair (x-coordinate); ordinate is the vertical, abscissa is the horizontal

文法句型

the ordinate of [point/number]

ordinates of [points]

用法筆記

Often used in contrast with "abscissa" (the x-coordinate). In everyday classroom language, most people simply say "y-coordinate" or "y-value".

常見錯誤

The ordinate of (3, 5) is 3.
The ordinate of (3, 5) is 5.
the ordinate is the second (y) value, not the first (x) value.
Find the ordinate on the horizontal axis.
Find the ordinate on the vertical (y) axis.
the ordinate measures the vertical, not the horizontal, position.

同根字

常見搭配

名詞搭配

  • ordinate axis
  • ordinate value
  • ordinate line

常用片語

  • the ordinate of a point
  • ordinates of points on the graph

介系詞搭配

  • ordinate of
  • ordinate at
  • ordinate on