[mee-dee-uh n] /ˈmi di ən/
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.
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.
[mee-dee-uh n] /ˈmi di ən/
of or relating to , the Medes, or their language.
the Iranian language of ancient Media, contemporaneous with Old Persian.
of, relating to, situated in, or directed towards the middle
(biology) of or relating to the plane that divides an organism or organ into symmetrical parts
(statistics) of or relating to the median
a middle point, plane, or part
(statistics) the middle value in a frequency distribution, below and above which lie values with equal total frequencies
(statistics) the middle number or average of the two middle numbers in an ordered sequence of numbers: 7 is the median of both 1, 7, 31 and 2, 5, 9, l6
(Canadian) Also called (chiefly Brit) central reservation. the strip, often covered with grass, that separates the two sides of a highway
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.
“a median part,” 1540s, from Latin medianus (see median (adj.)). Meaning “middle number of a series” is from 1883.
median me·di·an (mē’dē-ən)
The point in a series at which half of the values or units of the series are higher and half lower.
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.)
- Median artery
median artery n. An artery with its origin in the anterior interosseous artery and with distribution to the palm.
- Median bar of mercier
median bar of Mercier n. A band of fibromuscular tissue encircling the interureteric ridge of the urinary bladder, which occasionally can obstruct the urinary tract.
- Median groove of tongue
median groove of tongue n. A slight longitudinal depression that runs forward on the dorsal surface of the tongue. Also called longitudinal raphe of tongue, median longitudinal raphe of tongue.
noun 1. the quantity of a lethal substance, as a poison or pathogen, or of ionizing radiation that will kill 50 percent of the organisms subjected to it in a specified time period. Symbol: LD 5 0. noun 1. the amount of a drug or other substance that, when administered to a group of experimental […]