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midpoint

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mid⋅point

  [mid-point]
Use midpoint in a Sentence
–noun
1. a point at or near the middle of, or equidistant from, both ends, as of a line: the midpoint of a boundary.
2. a point in time halfway between the beginning and the end, as of a process, event, or situation: the midpoint of the negotiations.
3. Geometry. the point on a line segment or an arc that is equidistant, when measured along the line or the arc, from both endpoints.
4. Statistics. median (def. 5).
5. Astrology. the point on the arc that is equidistant from two planets: regarded as a sensitive point and used in horoscopic interpretations.
Also, mid-point.

Origin:
1325–75; ME. See mid-, point
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me⋅di⋅an

  [mee-dee-uhn]
–adjective
1. noting or pertaining to a plane dividing something into two equal parts, esp. one dividing an animal into right and left halves.
2. situated in or pertaining to the middle; medial.
–noun
3. Arithmetic, Statistics. the middle number in a given sequence of numbers, taken as the average of the two middle numbers when the sequence has an even number of numbers: 4 is the median of 1, 3, 4, 8, 9.
4. Geometry. a straight line from a vertex of a triangle to the midpoint of the opposite side.
5. Also called midpoint. a vertical line that divides a histogram into two equal parts. Compare central tendency.
6. median strip.
Origin:
1535–45; < L mediānus in the middle. See medium, -an

Related forms:
me⋅di⋅an⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To midpoint
mid·point   (mĭd'point')   
n.  

  1. Mathematics The point of a line segment or curvilinear arc that divides it into two parts of the same length.

  2. A position midway between two extremes.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

median

In statistics, the middle value of a set of numbers or data points; half the figures will fall below the median and half above. (See average; compare mean and mode.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

median 
1592, from M.Fr. médian, from L. medianus "of the middle," from medius "middle" (see medial). Originally anatomical, of veins, arteries, nerves; mathematical sense "middle number of a series" first recorded 1902; median strip "strip between lanes of a highway" is from 1954.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: 2median
Function: adjective
: situated in the middle; specifically : lying in a plane dividing a bilateral animal into right andleft halves
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

median me·di·an (mē'dē-ən)
adj.

  1. Relating to, located in, or extending toward the middle.

  2. Of, relating to, or situated in or near the plane that divides a bilaterally symmetrical animal into right and left halves; mesial.

  3. Of, relating to, or constituting the middle value in a distribution.

n.

  1. A median point, plane, line, or part.

  2. The middle value in a distribution, above and below which lie an equal number of values.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
median   (mē'dē-ən)  Pronunciation Key 

  1. In a sequence of numbers arranged from smallest to largest:

    1. The middle number, when such a sequence has an odd number of values. For example, in the sequence 3, 4, 14, 35, 280, the median is 14.

    2. The average of the two middle numbers, when such a sequence has an even number of values. For example, in the sequence 4, 8, 10, 56, the median is 9 (the average of 8 and 10). Compare arithmetic mean, average, mode.

  2. A line joining a vertex of a triangle to the midpoint of the opposite side.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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