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.

Geometry. a straight line from a vertex of a triangle to the midpoint of the opposite side.

Also called midpoint. a vertical line that divides a histogram into two equal parts.Compare central tendency.

Statistics. relating to the value in the center of the distribution for an array of data: the median income of American households.

noting or relating to a plane dividing something into two equal parts, especially one dividing an animal into right and left halves.

situated in or relating to the middle; medial.

Origin of median

First recorded in 1535–45,median is from the Latin word mediānus in the middle. See medium, -an

Related formsme·di·an·ly, adverbpost·me·di·an, adjectivepre·me·di·an, noun, adjectivesub·me·di·an, adjectiveCan be confusedmeanmedianmediamedianmediummediums

Median

[mee-dee-uh n]

adjective

of or relating to Media, the Medes, or their language.

noun

a Mede.

the Iranian language of ancient Media, contemporaneous with Old Persian.

1590s, from Middle French médian (15c.) and directly from Latin medianus "of the middle," from medius "in the middle" (see medial (adj.)). Originally anatomical, of veins, arteries, nerves. Median strip "strip between lanes of traffic" is from 1954.

n.

"a median part," 1540s, from Latin medianus (see median (adj.)). Meaning "middle number of a series" is from 1883.

In a sequence of numbers arranged from smallest to largest:

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.

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 meanaveragemode.

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

The point in a series at which half of the values or units of the series are higher and half lower.

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. (Seeaverage; comparemeanandmode.)