# ordinate

[awr-dn-it, -eyt] /ˈɔr dnˌɪt, -ˌeɪt/
noun
1.
Mathematics. (in plane Cartesian coordinates) the y-coordinate of a point: its distance from the x-axis measured parallel to the y-axis.
Compare abscissa.
Origin of ordinate
1670-1680
1670-80; extracted from New Latin (līnea) ordināte (applicāta) (line applied) in order; ordināte (adv.), derivative of Latin ordinātus arranged. See ordination
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for ordinate
Historical Examples
• ordinate represents geo-electric excitation; abscissa, distance from upper surface of flower stalk.

• The position MX on the ordinate marks the beginning of the second period.

Th. Ribot
• The ordinate, or right line drawn across a curve, so as to be bisected by its diameter.

William Henry Smyth
• A Thermo-crescent Curve is thus obtained, the ordinate of which represents increment of growth, and the abscissa, the time.

• This upper branch of the curve is not shown in the figure, as the ordinate corresponding to 30 would be very great.

Alexander Findlay
• The ordinate of the curve represents the intensity of response, and the abscissa the time (fig. 1).

• The ordinate is the correction to be added to the observed reading to reduce to a uniform scale.

• The ordinate in these curves represents the E.M. variation, and the abscissa the time.

• And from hence the fabricke or construction of an ordinate quinquangle upon a right line given, is manifest.

Peter Ramus
• At p the amount of error or deviation is op; and the number of such deviations is represented by the line or ordinate pa.

British Dictionary definitions for ordinate

## ordinate

/ˈɔːdɪnɪt/
noun
1.
the vertical or y-coordinate of a point in a two-dimensional system of Cartesian coordinates Compare abscissa See also Cartesian coordinates
Word Origin
C16: from New Latin phrase (linea) ordināte (applicāta) (line applied) in an orderly manner, from ordināre to arrange in order
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ordinate

late 14c., from Latin ordinatus, past participle of ordinare "arrange, set in order" (see ordain). Related: Ordinately.

v.

1560s, from Latin ordinatus, past participle of ordinare "arrange, set in order" (see ordain). Related: Ordinated; ordinating.

Online Etymology Dictionary, © 2010 Douglas Harper
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ordinate in Medicine

ordinate or·di·nate (ôr'dn-ĭt, -āt')
n.
The plane Cartesian coordinate representing the distance from a specified point to the x-axis, measured parallel to the y-axis.

The American Heritage® Stedman's Medical Dictionary
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ordinate in Science
 ordinate   (ôr'dn-ĭt)    The distance of a point from the x-axis on a graph in the Cartesian coordinate system. It is measured parallel to the y-axis. For example, a point having coordinates (2,3) has 3 as its ordinate. Compare abscissa.
The American Heritage® Science Dictionary
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ordinate in Technology

mathematics
The y-coordinate on an (x,y) graph; the output of a function plotted against its input.
x is the "abscissa".
See Cartesian coordinates.
(1997-07-08)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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### Difficulty index for ordinate

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### Word Value for ordinate

9
10
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